40957288957 has 4 divisors (see below), whose sum is σ = 44107849660. Its totient is φ = 37806728256.

The previous prime is 40957288901. The next prime is 40957289003. The reversal of 40957288957 is 75988275904.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13301931556 + 27655357401 = 115334^2 + 166299^2 .

It is a cyclic number.

It is not a de Polignac number, because 40957288957 - 2¹⁵ = 40957256189 is a prime.

It is a super-3 number, since 3×40957288957³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40957283957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1575280332 + ... + 1575280357.

It is an arithmetic number, because the mean of its divisors is an integer number (11026962415).

Almost surely, 2^40957288957 is an apocalyptic number.

It is an amenable number.

40957288957 is a deficient number, since it is larger than the sum of its proper divisors (3150560703).

40957288957 is a wasteful number, since it uses less digits than its factorization.

40957288957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3150560702.

The product of its (nonzero) digits is 50803200, while the sum is 64.

The spelling of 40957288957 in words is "forty billion, nine hundred fifty-seven million, two hundred eighty-eight thousand, nine hundred fifty-seven".