5206382644 has 24 divisors (see below), whose sum is σ = 9428668200. Its totient is φ = 2512540800.

The previous prime is 5206382639. The next prime is 5206382669. The reversal of 5206382644 is 4462836025.

It can be written as a sum of positive squares in 4 ways, for example, as 1988089744 + 3218292900 = 44588^2 + 56730^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5206382597 and 5206382606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424194 + ... + 436294.

It is an arithmetic number, because the mean of its divisors is an integer number (392861175).

Almost surely, 2^5206382644 is an apocalyptic number.

It is an amenable number.

5206382644 is a deficient number, since it is larger than the sum of its proper divisors (4222285556).

5206382644 is a wasteful number, since it uses less digits than its factorization.

5206382644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15843 (or 15841 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The square root of 5206382644 is about 72155.2676108959. The cubic root of 5206382644 is about 1733.1867536633.

The spelling of 5206382644 in words is "five billion, two hundred six million, three hundred eighty-two thousand, six hundred forty-four".