51040522423404 has 72 divisors (see below), whose sum is σ = 129359969706240. Its totient is φ = 16968578105952.

The previous prime is 51040522423399. The next prime is 51040522423427. The reversal of 51040522423404 is 40432422504015.

51040522423404 is a `hidden beast` number, since 5 + 1 + 0 + 4 + 0 + 5 + 2 + 242 + 3 + 404 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59047129 + ... + 59905295.

It is an arithmetic number, because the mean of its divisors is an integer number (1796666245920).

Almost surely, 2^{51040522423404} is an apocalyptic number.

It is an amenable number.

51040522423404 is an abundant number, since it is smaller than the sum of its proper divisors (78319447282836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51040522423404 is a wasteful number, since it uses less digits than its factorization.

51040522423404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862539 (or 862534 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 51040522423404 its reverse (40432422504015), we get a palindrome (91472944927419).

The spelling of 51040522423404 in words is "fifty-one trillion, forty billion, five hundred twenty-two million, four hundred twenty-three thousand, four hundred four".