115001840 has 40 divisors (see below), whose sum is σ = 279008928. Its totient is φ = 44000000.

The previous prime is 115001837. The next prime is 115001857. The reversal of 115001840 is 48100511.

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

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29411 + ... + 33090.

Almost surely, 2^115001840 is an apocalyptic number.

115001840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115001840 is an abundant number, since it is smaller than the sum of its proper divisors (164007088).

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

115001840 is a wasteful number, since it uses less digits than its factorization.

115001840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62537 (or 62531 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 115001840 is about 10723.8910848628. The cubic root of 115001840 is about 486.2970066658.

It can be divided in two parts, 11500 and 1840, that multiplied together give a square (21160000 = 4600²).

The spelling of 115001840 in words is "one hundred fifteen million, one thousand, eight hundred forty".