40157256273 has 16 divisors (see below), whose sum is σ = 54310683840. Its totient is φ = 26388129024.

The previous prime is 40157256247. The next prime is 40157256281. The reversal of 40157256273 is 37265275104.

It is not a de Polignac number, because 40157256273 - 2⁵ = 40157256241 is a prime.

It is a super-2 number, since 2×40157256273² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40157256973) 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 15 ways as a sum of consecutive naturals, for example, 295390 + ... + 409352.

It is an arithmetic number, because the mean of its divisors is an integer number (3394417740).

Almost surely, 2^40157256273 is an apocalyptic number.

It is an amenable number.

40157256273 is a deficient number, since it is larger than the sum of its proper divisors (14153427567).

40157256273 is a wasteful number, since it uses less digits than its factorization.

40157256273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115648.

The product of its (nonzero) digits is 352800, while the sum is 42.

The spelling of 40157256273 in words is "forty billion, one hundred fifty-seven million, two hundred fifty-six thousand, two hundred seventy-three".