5215405388 has 24 divisors (see below), whose sum is σ = 9526903008. Its totient is φ = 2493507456.

The previous prime is 5215405387. The next prime is 5215405409. The reversal of 5215405388 is 8835045125.

It is a super-2 number, since 2×5215405388² = 54400906722358861088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5215405387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347120 + ... + 361832.

It is an arithmetic number, because the mean of its divisors is an integer number (396954292).

Almost surely, 2^5215405388 is an apocalyptic number.

It is an amenable number.

5215405388 is a deficient number, since it is larger than the sum of its proper divisors (4311497620).

5215405388 is a wasteful number, since it uses less digits than its factorization.

5215405388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18593 (or 18591 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 41.

The square root of 5215405388 is about 72217.7636596426. The cubic root of 5215405388 is about 1734.1873892579.

The spelling of 5215405388 in words is "five billion, two hundred fifteen million, four hundred five thousand, three hundred eighty-eight".