40256507123974 has 16 divisors (see below), whose sum is σ = 65496239713296. Its totient is φ = 18482184044800.

The previous prime is 40256507123873. The next prime is 40256507123993. The reversal of 40256507123974 is 47932170565204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14439204892 + ... + 14439207679.

It is an arithmetic number, because the mean of its divisors is an integer number (4093514982081).

Almost surely, 2^{40256507123974} is an apocalyptic number.

40256507123974 is a deficient number, since it is larger than the sum of its proper divisors (25239732589322).

40256507123974 is a wasteful number, since it uses less digits than its factorization.

40256507123974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28878412631.

The product of its (nonzero) digits is 12700800, while the sum is 55.

The spelling of 40256507123974 in words is "forty trillion, two hundred fifty-six billion, five hundred seven million, one hundred twenty-three thousand, nine hundred seventy-four".