51424046874 has 24 divisors (see below), whose sum is σ = 111425302560. Its totient is φ = 17140343688.

The previous prime is 51424046857. The next prime is 51424046897. The reversal of 51424046874 is 47864042415.

51424046874 is a `hidden beast` number, since 5 + 142 + 40 + 468 + 7 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 272667 + ... + 420945.

It is an arithmetic number, because the mean of its divisors is an integer number (4642720940).

Almost surely, 2^51424046874 is an apocalyptic number.

51424046874 is an abundant number, since it is smaller than the sum of its proper divisors (60001255686).

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

51424046874 is a wasteful number, since it uses less digits than its factorization.

51424046874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167554 (or 167551 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 45.

The spelling of 51424046874 in words is "fifty-one billion, four hundred twenty-four million, forty-six thousand, eight hundred seventy-four".