5638667376 has 40 divisors (see below), whose sum is σ = 15036450304. Its totient is φ = 1818924480.

The previous prime is 5638667371. The next prime is 5638667399. The reversal of 5638667376 is 6737668365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5638667371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1893226 + ... + 1896201.

Almost surely, 2^5638667376 is an apocalyptic number.

It is an amenable number.

5638667376 is an abundant number, since it is smaller than the sum of its proper divisors (9397782928).

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

5638667376 is a wasteful number, since it uses less digits than its factorization.

5638667376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3789469 (or 3789463 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 57.

The square root of 5638667376 is about 75091.0605598296. The cubic root of 5638667376 is about 1779.8858841962.

The spelling of 5638667376 in words is "five billion, six hundred thirty-eight million, six hundred sixty-seven thousand, three hundred seventy-six".