115672240 has 40 divisors (see below), whose sum is σ = 269580960. Its totient is φ = 46158336.

The previous prime is 115672229. The next prime is 115672259. The reversal of 115672240 is 42276511.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 115672199 and 115672208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37476 + ... + 40444.

It is an arithmetic number, because the mean of its divisors is an integer number (6739524).

Almost surely, 2^115672240 is an apocalyptic number.

115672240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115672240 is an abundant number, since it is smaller than the sum of its proper divisors (153908720).

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

115672240 is a wasteful number, since it uses less digits than its factorization.

115672240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3469 (or 3463 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 115672240 is about 10755.1029748673. The cubic root of 115672240 is about 487.2401279858.

The spelling of 115672240 in words is "one hundred fifteen million, six hundred seventy-two thousand, two hundred forty".