5138448315 has 192 divisors, whose sum is σ = 11351467008. Its totient is φ = 1930705920.

The previous prime is 5138448311. The next prime is 5138448379.

It is a happy number.

5138448315 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5138448315 - 2² = 5138448311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5138448311) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 8753452 + ... + 8754038.

It is an arithmetic number, because the mean of its divisors is an integer number (59122224).

Almost surely, 2^5138448315 is an apocalyptic number.

5138448315 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5138448315 is an abundant number, since it is smaller than the sum of its proper divisors (6213018693).

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

5138448315 is a wasteful number, since it uses less digits than its factorization.

5138448315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 679 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 5138448315 is about 71682.9708856992. The cubic root of 5138448315 is about 1725.6153586971.

It can be divided in two parts, 51384 and 48315, that added together give a palindrome (99699).

The spelling of 5138448315 in words is "five billion, one hundred thirty-eight million, four hundred forty-eight thousand, three hundred fifteen".