51062290818 has 64 divisors (see below), whose sum is σ = 130765390848. Its totient is φ = 12904470720.

The previous prime is 51062290813. The next prime is 51062290819. The reversal of 51062290818 is 81809226015.

It is a happy number.

51062290818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 51062290818.

It is not an unprimeable number, because it can be changed into a prime (51062290813) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1476480 + ... + 1510667.

It is an arithmetic number, because the mean of its divisors is an integer number (2043209232).

Almost surely, 2^51062290818 is an apocalyptic number.

51062290818 is an abundant number, since it is smaller than the sum of its proper divisors (79703100030).

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

51062290818 is a wasteful number, since it uses less digits than its factorization.

51062290818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2987207.

The product of its (nonzero) digits is 69120, while the sum is 42.

The spelling of 51062290818 in words is "fifty-one billion, sixty-two million, two hundred ninety thousand, eight hundred eighteen".