115278336 has 160 divisors (see below), whose sum is σ = 353548800. Its totient is φ = 37048320.

The previous prime is 115278329. The next prime is 115278337. The reversal of 115278336 is 633872511.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 115278336.

It is not an unprimeable number, because it can be changed into a prime (115278337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428410 + ... + 428678.

It is an arithmetic number, because the mean of its divisors is an integer number (2209680).

Almost surely, 2^115278336 is an apocalyptic number.

115278336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115278336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176774400).

115278336 is an abundant number, since it is smaller than the sum of its proper divisors (238270464).

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

115278336 is an equidigital number, since it uses as much as digits as its factorization.

115278336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 305 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 115278336 is about 10736.7749347744. The cubic root of 115278336 is about 486.6864252523.

The spelling of 115278336 in words is "one hundred fifteen million, two hundred seventy-eight thousand, three hundred thirty-six".