40297085256972 has 24 divisors (see below), whose sum is σ = 96213195808576. Its totient is φ = 13119981246288.

The previous prime is 40297085256971. The next prime is 40297085256973. The reversal of 40297085256972 is 27965258079204.

It is an interprime number because it is at equal distance from previous prime (40297085256971) and next prime (40297085256973).

It is not an unprimeable number, because it can be changed into a prime (40297085256971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39047562718 + ... + 39047563749.

Almost surely, 2^{40297085256972} is an apocalyptic number.

It is an amenable number.

40297085256972 is an abundant number, since it is smaller than the sum of its proper divisors (55916110551604).

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

40297085256972 is a wasteful number, since it uses less digits than its factorization.

40297085256972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78095126517 (or 78095126515 counting only the distinct ones).

The product of its (nonzero) digits is 152409600, while the sum is 66.

The spelling of 40297085256972 in words is "forty trillion, two hundred ninety-seven billion, eighty-five million, two hundred fifty-six thousand, nine hundred seventy-two".