51240155626 has 64 divisors (see below), whose sum is σ = 88590827520. Its totient is φ = 22013784000.

The previous prime is 51240155609. The next prime is 51240155633. The reversal of 51240155626 is 62655104215.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6313311 + ... + 6321421.

It is an arithmetic number, because the mean of its divisors is an integer number (1384231680).

Almost surely, 2^51240155626 is an apocalyptic number.

51240155626 is a deficient number, since it is larger than the sum of its proper divisors (37350671894).

51240155626 is a wasteful number, since it uses less digits than its factorization.

51240155626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8371.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 51240155626 in words is "fifty-one billion, two hundred forty million, one hundred fifty-five thousand, six hundred twenty-six".