40277121679257 has 32 divisors (see below), whose sum is σ = 57235500000000. Its totient is φ = 25105903699968.

The previous prime is 40277121679247. The next prime is 40277121679273. The reversal of 40277121679257 is 75297612177204.

It is a happy number.

It is not a de Polignac number, because 40277121679257 - 2²² = 40277117484953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40277121679257.

It is not an unprimeable number, because it can be changed into a prime (40277121679237) 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, 39523869 + ... + 40530117.

It is an arithmetic number, because the mean of its divisors is an integer number (1788609375000).

Almost surely, 2^{40277121679257} is an apocalyptic number.

It is an amenable number.

40277121679257 is a deficient number, since it is larger than the sum of its proper divisors (16958378320743).

40277121679257 is a wasteful number, since it uses less digits than its factorization.

40277121679257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011425.

The product of its (nonzero) digits is 20744640, while the sum is 60.

The spelling of 40277121679257 in words is "forty trillion, two hundred seventy-seven billion, one hundred twenty-one million, six hundred seventy-nine thousand, two hundred fifty-seven".