100901040 has 40 divisors (see below), whose sum is σ = 312793968. Its totient is φ = 26906880.

The previous prime is 100900999. The next prime is 100901051. The reversal of 100901040 is 40109001.

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 (15).

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, 209971 + ... + 210450.

Almost surely, 2^100901040 is an apocalyptic number.

100901040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100901040 is an abundant number, since it is smaller than the sum of its proper divisors (211892928).

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

100901040 is a wasteful number, since it uses less digits than its factorization.

100901040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420437 (or 420431 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 100901040 is about 10044.9509705125. The cubic root of 100901040 is about 465.5488028400.

The spelling of 100901040 in words is "one hundred million, nine hundred one thousand, forty".