51023840370 has 32 divisors (see below), whose sum is σ = 122991981120. Its totient is φ = 13546939200.

The previous prime is 51023840317. The next prime is 51023840383. The reversal of 51023840370 is 7304832015.

It is a super-2 number, since 2×51023840370² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3706656 + ... + 3720395.

It is an arithmetic number, because the mean of its divisors is an integer number (3843499410).

Almost surely, 2^51023840370 is an apocalyptic number.

51023840370 is an abundant number, since it is smaller than the sum of its proper divisors (71968140750).

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

51023840370 is a wasteful number, since it uses less digits than its factorization.

51023840370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7427290.

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 51023840370 in words is "fifty-one billion, twenty-three million, eight hundred forty thousand, three hundred seventy".