126360040257 has 40 divisors (see below), whose sum is σ = 206091037152. Its totient is φ = 76518259200.

The previous prime is 126360040253. The next prime is 126360040271. The reversal of 126360040257 is 752040063621.

126360040257 is a `hidden beast` number, since 1 + 2 + 6 + 3 + 600 + 40 + 2 + 5 + 7 = 666.

It is not a de Polignac number, because 126360040257 - 2² = 126360040253 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126360040253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1026082 + ... + 1142612.

Almost surely, 2^126360040257 is an apocalyptic number.

It is an amenable number.

126360040257 is a deficient number, since it is larger than the sum of its proper divisors (79730996895).

126360040257 is a wasteful number, since it uses less digits than its factorization.

126360040257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117771 (or 117762 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 126360040257 in words is "one hundred twenty-six billion, three hundred sixty million, forty thousand, two hundred fifty-seven".