115790440 has 32 divisors (see below), whose sum is σ = 263117160. Its totient is φ = 45856000.

The previous prime is 115790431. The next prime is 115790447. The reversal of 115790440 is 44097511.

It can be written as a sum of positive squares in 4 ways, for example, as 112741924 + 3048516 = 10618^2 + 1746^2 .

It is not an unprimeable number, because it can be changed into a prime (115790447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10291 + ... + 18370.

Almost surely, 2^115790440 is an apocalyptic number.

115790440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115790440 is an abundant number, since it is smaller than the sum of its proper divisors (147326720).

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

115790440 is a wasteful number, since it uses less digits than its factorization.

115790440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28773 (or 28769 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 115790440 is about 10760.5966377334. The cubic root of 115790440 is about 487.4060340478.

The spelling of 115790440 in words is "one hundred fifteen million, seven hundred ninety thousand, four hundred forty".