115318404 has 60 divisors (see below), whose sum is σ = 308853468. Its totient is φ = 37497600.

The previous prime is 115318349. The next prime is 115318409. The reversal of 115318404 is 404813511.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45562500 + 69755904 = 6750^2 + 8352^2 .

It is a super-2 number, since 2×115318404² = 26596668602214432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (115318409) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8944 + ... + 17624.

Almost surely, 2^115318404 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 115318404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154426734).

115318404 is an abundant number, since it is smaller than the sum of its proper divisors (193535064).

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

115318404 is a wasteful number, since it uses less digits than its factorization.

115318404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8738 (or 8727 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 115318404 is about 10738.6406961030. The cubic root of 115318404 is about 486.7428055850.

The spelling of 115318404 in words is "one hundred fifteen million, three hundred eighteen thousand, four hundred four".