5638156032 has 36 divisors (see below), whose sum is σ = 15005719400. Its totient is φ = 1879385088.

The previous prime is 5638156019. The next prime is 5638156039. The reversal of 5638156032 is 2306518365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5638156039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3669907 + ... + 3671442.

Almost surely, 2^5638156032 is an apocalyptic number.

It is an amenable number.

5638156032 is an abundant number, since it is smaller than the sum of its proper divisors (9367563368).

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

5638156032 is an equidigital number, since it uses as much as digits as its factorization.

5638156032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7341368 (or 7341354 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 5638156032 is about 75087.6556565725. The cubic root of 5638156032 is about 1779.8320794335.

The spelling of 5638156032 in words is "five billion, six hundred thirty-eight million, one hundred fifty-six thousand, thirty-two".