5578392640 has 28 divisors (see below), whose sum is σ = 13283548236. Its totient is φ = 2231356928.

The previous prime is 5578392629. The next prime is 5578392679. The reversal of 5578392640 is 462938755.

It can be written as a sum of positive squares in 2 ways, for example, as 4352832576 + 1225560064 = 65976^2 + 35008^2 .

It is a super-2 number, since 2×5578392640² = 62236928892012339200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8715919 + ... + 8716558.

It is an arithmetic number, because the mean of its divisors is an integer number (474412437).

Almost surely, 2^5578392640 is an apocalyptic number.

It is an amenable number.

5578392640 is an abundant number, since it is smaller than the sum of its proper divisors (7705155596).

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

5578392640 is a wasteful number, since it uses less digits than its factorization.

5578392640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17432494 (or 17432484 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 49.

The square root of 5578392640 is about 74688.6379578581. The cubic root of 5578392640 is about 1773.5210999601.

The spelling of 5578392640 in words is "five billion, five hundred seventy-eight million, three hundred ninety-two thousand, six hundred forty".