115376640 has 160 divisors (see below), whose sum is σ = 375350976. Its totient is φ = 30228480.

The previous prime is 115376629. The next prime is 115376659. The reversal of 115376640 is 46673511.

115376640 is nontrivially palindromic in base 11.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637350 + ... + 637530.

Almost surely, 2^115376640 is an apocalyptic number.

115376640 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 115376640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187675488).

115376640 is an abundant number, since it is smaller than the sum of its proper divisors (259974336).

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

115376640 is an equidigital number, since it uses as much as digits as its factorization.

115376640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 115376640 is about 10741.3518702256. The cubic root of 115376640 is about 486.8247271251.

The spelling of 115376640 in words is "one hundred fifteen million, three hundred seventy-six thousand, six hundred forty".