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40142262405 = 357329269041
BaseRepresentation
bin100101011000101010…
…100101000010000101
310211121120202012211110
4211120222211002011
51124202404344110
630235135555233
72620522413000
oct453052450205
9124546665743
1040142262405
111602a295983
12794368bb19
133a296a25bb
141d2b440537
15109e238a20
hex958aa5085

40142262405 has 64 divisors (see below), whose sum is σ = 77484096000. Its totient is φ = 17717898240.

The previous prime is 40142262389. The next prime is 40142262431. The reversal of 40142262405 is 50426224104.

It is not a de Polignac number, because 40142262405 - 24 = 40142262389 is a prime.

It is a super-2 number, since 2×401422624052 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14685 + ... + 283725.

It is an arithmetic number, because the mean of its divisors is an integer number (1210689000).

Almost surely, 240142262405 is an apocalyptic number.

It is an amenable number.

40142262405 is a deficient number, since it is larger than the sum of its proper divisors (37341833595).

40142262405 is a wasteful number, since it uses less digits than its factorization.

40142262405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269099 (or 269085 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 40142262405 its reverse (50426224104), we get a palindrome (90568486509).

The spelling of 40142262405 in words is "forty billion, one hundred forty-two million, two hundred sixty-two thousand, four hundred five".

Divisors: 1 3 5 7 15 21 29 35 49 87 105 145 147 203 245 343 435 609 735 1015 1029 1421 1715 3045 4263 5145 7105 9947 21315 29841 49735 149205 269041 807123 1345205 1883287 4035615 5649861 7802189 9416435 13183009 23406567 28249305 39010945 39549027 54615323 65915045 92281063 117032835 163845969 197745135 273076615 276843189 382307261 461405315 819229845 1146921783 1384215945 1911536305 2676150827 5734608915 8028452481 13380754135 40142262405