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202422242440 = 235111231373721
BaseRepresentation
bin1011110010000101001…
…1100100110010001000
3201100111011011100110101
42330201103210302020
511304030043224230
6232554055055144
720424132446215
oct2744123446210
9640434140411
10202422242440
1178935095860
12332929714b4
131611c0c4b22
149b23a90b0c
1553eae40aca
hex2f214e4c88

202422242440 has 64 divisors (see below), whose sum is σ = 497259544320. Its totient is φ = 73548096000.

The previous prime is 202422242411. The next prime is 202422242459. The reversal of 202422242440 is 44242224202.

It is a junction number, because it is equal to n+sod(n) for n = 202422242399 and 202422242408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354780 + ... + 728500.

It is an arithmetic number, because the mean of its divisors is an integer number (7769680380).

Almost surely, 2202422242440 is an apocalyptic number.

202422242440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202422242440 is an abundant number, since it is smaller than the sum of its proper divisors (294837301880).

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

202422242440 is a wasteful number, since it uses less digits than its factorization.

202422242440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374974 (or 374970 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 202422242440 its reverse (44242224202), we get a palindrome (246664466642).

The spelling of 202422242440 in words is "two hundred two billion, four hundred twenty-two million, two hundred forty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 1231 2462 4924 6155 9848 12310 13541 24620 27082 49240 54164 67705 108328 135410 270820 373721 541640 747442 1494884 1868605 2989768 3737210 4110931 7474420 8221862 14948840 16443724 20554655 32887448 41109310 82218620 164437240 460050551 920101102 1840202204 2300252755 3680404408 4600505510 5060556061 9201011020 10121112122 18402022040 20242224244 25302780305 40484448488 50605560610 101211121220 202422242440