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1402424430440 = 2351123473135787
BaseRepresentation
bin10100011010000111000…
…000101000111101101000
311222001220100222121210212
4110122013000220331220
5140434131123233230
62552133114400252
7203215245654245
oct24320700507550
94861810877725
101402424430440
114a0846036810
121a7971130088
13a232bc976b7
144bc405c85cc
1526730e0e895
hex14687028f68

1402424430440 has 64 divisors (see below), whose sum is σ = 3442486512960. Its totient is φ = 509947038720.

The previous prime is 1402424430431. The next prime is 1402424430479. The reversal of 1402424430440 is 440344242041.

It is a junction number, because it is equal to n+sod(n) for n = 1402424430397 and 1402424430406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10260227 + ... + 10396013.

It is an arithmetic number, because the mean of its divisors is an integer number (53788851765).

Almost surely, 21402424430440 is an apocalyptic number.

1402424430440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1402424430440 is an abundant number, since it is smaller than the sum of its proper divisors (2040062082520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1402424430440 is a wasteful number, since it uses less digits than its factorization.

1402424430440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159282 (or 159278 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 1402424430440 its reverse (440344242041), we get a palindrome (1842768672481).

The spelling of 1402424430440 in words is "one trillion, four hundred two billion, four hundred twenty-four million, four hundred thirty thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 23473 46946 93892 117365 135787 187784 234730 258203 271574 469460 516406 543148 678935 938920 1032812 1086296 1291015 1357870 1493657 2065624 2582030 2715740 2987314 5164060 5431480 5974628 7468285 10328120 11949256 14936570 29873140 59746280 3187328251 6374656502 12749313004 15936641255 25498626008 31873282510 35060610761 63746565020 70121221522 127493130040 140242443044 175303053805 280484886088 350606107610 701212215220 1402424430440