5390776656 has 30 divisors (see below), whose sum is σ = 15086687850. Its totient is φ = 1796925504.

The previous prime is 5390776627. The next prime is 5390776667. The reversal of 5390776656 is 6566770935.

It can be written as a sum of positive squares in only one way, i.e., 5063745600 + 327031056 = 71160^2 + 18084^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18717831 + ... + 18718118.

It is an arithmetic number, because the mean of its divisors is an integer number (502889595).

Almost surely, 2^5390776656 is an apocalyptic number.

It is an amenable number.

5390776656 is an abundant number, since it is smaller than the sum of its proper divisors (9695911194).

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

5390776656 is a wasteful number, since it uses less digits than its factorization.

5390776656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37435963 (or 37435954 counting only the distinct ones).

The product of its (nonzero) digits is 7144200, while the sum is 54.

The square root of 5390776656 is about 73421.9085559617. The cubic root of 5390776656 is about 1753.4112136401.

The spelling of 5390776656 in words is "five billion, three hundred ninety million, seven hundred seventy-six thousand, six hundred fifty-six".