5918388544 has 14 divisors (see below), whose sum is σ = 11744302394. Its totient is φ = 2959194240.

The previous prime is 5918388521. The next prime is 5918388547. The reversal of 5918388544 is 4458838195.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3932794944 + 1985593600 = 62712^2 + 44560^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5918388547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46237347 + ... + 46237474.

Almost surely, 2^5918388544 is an apocalyptic number.

It is an amenable number.

5918388544 is a deficient number, since it is larger than the sum of its proper divisors (5825913850).

5918388544 is an equidigital number, since it uses as much as digits as its factorization.

5918388544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92474833 (or 92474823 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 55.

The square root of 5918388544 is about 76931.0635829247. The cubic root of 5918388544 is about 1808.8441837904.

The spelling of 5918388544 in words is "five billion, nine hundred eighteen million, three hundred eighty-eight thousand, five hundred forty-four".