115447040 has 144 divisors (see below), whose sum is σ = 300222720. Its totient is φ = 42393600.

The previous prime is 115447027. The next prime is 115447061. The reversal of 115447040 is 40744511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1142990 + ... + 1143090.

It is an arithmetic number, because the mean of its divisors is an integer number (2084880).

Almost surely, 2^115447040 is an apocalyptic number.

115447040 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 115447040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150111360).

115447040 is an abundant number, since it is smaller than the sum of its proper divisors (184775680).

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

115447040 is a wasteful number, since it uses less digits than its factorization.

115447040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 115447040 is about 10744.6284254040. The cubic root of 115447040 is about 486.9237231680.

The spelling of 115447040 in words is "one hundred fifteen million, four hundred forty-seven thousand, forty".