51068440584 has 96 divisors (see below), whose sum is σ = 158584345920. Its totient is φ = 14543411328.

The previous prime is 51068440547. The next prime is 51068440601. The reversal of 51068440584 is 48504486015.

It is a happy number.

51068440584 is a `hidden beast` number, since 5 + 1 + 0 + 68 + 4 + 4 + 0 + 584 = 666.

It is a super-2 number, since 2×51068440584² (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 23 ways as a sum of consecutive naturals, for example, 10299 + ... + 319754.

It is an arithmetic number, because the mean of its divisors is an integer number (1651920270).

Almost surely, 2^51068440584 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51068440584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79292172960).

51068440584 is an abundant number, since it is smaller than the sum of its proper divisors (107515905336).

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

51068440584 is a wasteful number, since it uses less digits than its factorization.

51068440584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330379 (or 330372 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 45.

The spelling of 51068440584 in words is "fifty-one billion, sixty-eight million, four hundred forty thousand, five hundred eighty-four".