115671240 has 160 divisors (see below), whose sum is σ = 409464000. Its totient is φ = 29206656.

The previous prime is 115671203. The next prime is 115671263. The reversal of 115671240 is 42176511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 60621 + ... + 62499.

It is an arithmetic number, because the mean of its divisors is an integer number (2559150).

Almost surely, 2^115671240 is an apocalyptic number.

115671240 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 115671240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204732000).

115671240 is an abundant number, since it is smaller than the sum of its proper divisors (293792760).

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

115671240 is a wasteful number, since it uses less digits than its factorization.

115671240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921 (or 1908 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 115671240 is about 10755.0564852073. The cubic root of 115671240 is about 487.2387238992.

The spelling of 115671240 in words is "one hundred fifteen million, six hundred seventy-one thousand, two hundred forty".