5387644038 has 64 divisors (see below), whose sum is σ = 12473008128. Its totient is φ = 1519650720.

The previous prime is 5387644007. The next prime is 5387644051. The reversal of 5387644038 is 8304467835.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1123081 + ... + 1127867.

It is an arithmetic number, because the mean of its divisors is an integer number (194890752).

Almost surely, 2^5387644038 is an apocalyptic number.

5387644038 is an abundant number, since it is smaller than the sum of its proper divisors (7085364090).

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

5387644038 is a wasteful number, since it uses less digits than its factorization.

5387644038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5137.

The product of its (nonzero) digits is 1935360, while the sum is 48.

The square root of 5387644038 is about 73400.5724637077. The cubic root of 5387644038 is about 1753.0715079919.

The spelling of 5387644038 in words is "five billion, three hundred eighty-seven million, six hundred forty-four thousand, thirty-eight".