5518706944 has 27 divisors (see below), whose sum is σ = 11018229523. Its totient is φ = 2758759168.

The previous prime is 5518706933. The next prime is 5518706971. The reversal of 5518706944 is 4496078155.

It is a happy number.

The square root of 5518706944 is 74288.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×5518706944² = 60912252667507638272, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1186287 + ... + 1190929.

Almost surely, 2^5518706944 is an apocalyptic number.

5518706944 is the 74288-th square number.

It is an amenable number.

5518706944 is a deficient number, since it is larger than the sum of its proper divisors (5499522579).

5518706944 is an frugal number, since it uses more digits than its factorization.

5518706944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9302 (or 4645 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 49.

The cubic root of 5518706944 is about 1767.1731765826.

Multiplying 5518706944 by its sum of digits (49), we get a square (270416640256 = 520016²).

The spelling of 5518706944 in words is "five billion, five hundred eighteen million, seven hundred six thousand, nine hundred forty-four".