5639694480 has 120 divisors (see below), whose sum is σ = 21645703872. Its totient is φ = 1289071872.

The previous prime is 5639694449. The next prime is 5639694481. The reversal of 5639694480 is 844969365.

It is a tau number, because it is divible by the number of its divisors (120).

It is not an unprimeable number, because it can be changed into a prime (5639694481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 554454 + ... + 564533.

Almost surely, 2^5639694480 is an apocalyptic number.

It is an amenable number.

5639694480 is an abundant number, since it is smaller than the sum of its proper divisors (16006009392).

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

5639694480 is a wasteful number, since it uses less digits than its factorization.

5639694480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119013 (or 1119004 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The square root of 5639694480 is about 75097.8993048407. The cubic root of 5639694480 is about 1779.9939485549.

The spelling of 5639694480 in words is "five billion, six hundred thirty-nine million, six hundred ninety-four thousand, four hundred eighty".