51426145224 has 24 divisors (see below), whose sum is σ = 139279143510. Its totient is φ = 17142048384.

The previous prime is 51426145217. The next prime is 51426145261. The reversal of 51426145224 is 42254162415.

51426145224 is a `hidden beast` number, since 5 + 1 + 426 + 1 + 4 + 5 + 224 = 666.

It can be written as a sum of positive squares in only one way, i.e., 43160062500 + 8266082724 = 207750^2 + 90918^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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 5 ways as a sum of consecutive naturals, for example, 357125937 + ... + 357126080.

Almost surely, 2^51426145224 is an apocalyptic number.

It is an amenable number.

51426145224 is an abundant number, since it is smaller than the sum of its proper divisors (87852998286).

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

51426145224 is a wasteful number, since it uses less digits than its factorization.

51426145224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714252029 (or 714252022 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The spelling of 51426145224 in words is "fifty-one billion, four hundred twenty-six million, one hundred forty-five thousand, two hundred twenty-four".