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40092052840 = 2357220455129
BaseRepresentation
bin100101010101101011…
…000010110101101000
310211111002021022020221
4211111223002311220
51124102031142330
630230143455424
72616342553300
oct452553026550
9124432238227
1040092052840
1116003a11774
12792a8b7574
133a1c1729b8
141d248d0600
151099b1bb7a
hex955ac2d68

40092052840 has 48 divisors (see below), whose sum is σ = 104934816900. Its totient is φ = 13745846016.

The previous prime is 40092052801. The next prime is 40092052843. The reversal of 40092052840 is 4825029004.

It can be written as a sum of positive squares in 2 ways, for example, as 40018402116 + 73650724 = 200046^2 + 8582^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40092052796 and 40092052805.

It is not an unprimeable number, because it can be changed into a prime (40092052843) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 10225605 + ... + 10229524.

Almost surely, 240092052840 is an apocalyptic number.

40092052840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40092052840 is an abundant number, since it is smaller than the sum of its proper divisors (64842764060).

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

40092052840 is a wasteful number, since it uses less digits than its factorization.

40092052840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20455154 (or 20455143 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 40092052840 in words is "forty billion, ninety-two million, fifty-two thousand, eight hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 49 56 70 98 140 196 245 280 392 490 980 1960 20455129 40910258 81820516 102275645 143185903 163641032 204551290 286371806 409102580 572743612 715929515 818205160 1002301321 1145487224 1431859030 2004602642 2863718060 4009205284 5011506605 5727436120 8018410568 10023013210 20046026420 40092052840