5206438864 has 20 divisors (see below), whose sum is σ = 11004518880. Its totient is φ = 2366563040.

The previous prime is 5206438829. The next prime is 5206438873. The reversal of 5206438864 is 4688346025.

It is a super-2 number, since 2×5206438864² = 54214011289139220992, which contains 22 as substring.

It is a congruent number.

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, 14790844 + ... + 14791195.

It is an arithmetic number, because the mean of its divisors is an integer number (550225944).

Almost surely, 2^5206438864 is an apocalyptic number.

It is an amenable number.

5206438864 is an abundant number, since it is smaller than the sum of its proper divisors (5798080016).

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

5206438864 is a wasteful number, since it uses less digits than its factorization.

5206438864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29582058 (or 29582052 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 46.

The square root of 5206438864 is about 72155.6571863911. The cubic root of 5206438864 is about 1733.1929921220.

The spelling of 5206438864 in words is "five billion, two hundred six million, four hundred thirty-eight thousand, eight hundred sixty-four".