8315138044 has 12 divisors (see below), whose sum is σ = 14555415784. Its totient is φ = 4156447824.

The previous prime is 8315138023. The next prime is 8315138059. The reversal of 8315138044 is 4408315138.

It is a super-2 number, since 2×8315138044² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8315137994 and 8315138012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263502 + ... + 293365.

Almost surely, 2^8315138044 is an apocalyptic number.

It is an amenable number.

8315138044 is a deficient number, since it is larger than the sum of its proper divisors (6240277740).

8315138044 is a wasteful number, since it uses less digits than its factorization.

8315138044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560604 (or 560602 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 8315138044 is about 91187.3787538604. The cubic root of 8315138044 is about 2025.9240242849.

The spelling of 8315138044 in words is "eight billion, three hundred fifteen million, one hundred thirty-eight thousand, forty-four".