40257626057 has 16 divisors (see below), whose sum is σ = 44370215424. Its totient is φ = 36220800000.

The previous prime is 40257626027. The next prime is 40257626077. The reversal of 40257626057 is 75062675204.

It is not a de Polignac number, because 40257626057 - 2¹⁰ = 40257625033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40257625999 and 40257626017.

It is not an unprimeable number, because it can be changed into a prime (40257626027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3479432 + ... + 3490982.

It is an arithmetic number, because the mean of its divisors is an integer number (2773138464).

Almost surely, 2^40257626057 is an apocalyptic number.

It is an amenable number.

40257626057 is a deficient number, since it is larger than the sum of its proper divisors (4112589367).

40257626057 is a wasteful number, since it uses less digits than its factorization.

40257626057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14800.

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 40257626057 in words is "forty billion, two hundred fifty-seven million, six hundred twenty-six thousand, fifty-seven".