5137998440 has 64 divisors (see below), whose sum is σ = 12075523200. Its totient is φ = 1965019392.

The previous prime is 5137998433. The next prime is 5137998457. The reversal of 5137998440 is 448997315.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97979 + ... + 140981.

It is an arithmetic number, because the mean of its divisors is an integer number (188680050).

Almost surely, 2^5137998440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5137998440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6037761600).

5137998440 is an abundant number, since it is smaller than the sum of its proper divisors (6937524760).

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

5137998440 is a wasteful number, since it uses less digits than its factorization.

5137998440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43146 (or 43142 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 5137998440 is about 71679.8328681087. The cubic root of 5137998440 is about 1725.5649975881.

The spelling of 5137998440 in words is "five billion, one hundred thirty-seven million, nine hundred ninety-eight thousand, four hundred forty".