115477240 has 64 divisors (see below), whose sum is σ = 267572160. Its totient is φ = 44835840.

The previous prime is 115477237. The next prime is 115477267. The reversal of 115477240 is 42774511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207042 + ... + 207598.

It is an arithmetic number, because the mean of its divisors is an integer number (4180815).

Almost surely, 2^115477240 is an apocalyptic number.

115477240 is a gapful number since it is divisible by the number (10) 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 115477240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133786080).

115477240 is an abundant number, since it is smaller than the sum of its proper divisors (152094920).

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

115477240 is a wasteful number, since it uses less digits than its factorization.

115477240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 115477240 is about 10746.0336869005. The cubic root of 115477240 is about 486.9661778855.

The spelling of 115477240 in words is "one hundred fifteen million, four hundred seventy-seven thousand, two hundred forty".