40626957 has 32 divisors (see below), whose sum is σ = 67682304. Its totient is φ = 21139200.

The previous prime is 40626931. The next prime is 40626961. The reversal of 40626957 is 75962604.

It is not a de Polignac number, because 40626957 - 2⁷ = 40626829 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40626917) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9232 + ... + 12902.

It is an arithmetic number, because the mean of its divisors is an integer number (2115072).

Almost surely, 2^40626957 is an apocalyptic number.

It is an amenable number.

40626957 is a deficient number, since it is larger than the sum of its proper divisors (27055347).

40626957 is a wasteful number, since it uses less digits than its factorization.

40626957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3729.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 40626957 is about 6373.9279098528. The cubic root of 40626957 is about 343.7727366999.

The spelling of 40626957 in words is "forty million, six hundred twenty-six thousand, nine hundred fifty-seven".