100485240 has 32 divisors (see below), whose sum is σ = 301456080. Its totient is φ = 26796032.

The previous prime is 100485149. The next prime is 100485251. The reversal of 100485240 is 42584001.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 100485240.

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, 418569 + ... + 418808.

Almost surely, 2^100485240 is an apocalyptic number.

100485240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100485240 is an abundant number, since it is smaller than the sum of its proper divisors (200970840).

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

100485240 is a wasteful number, since it uses less digits than its factorization.

100485240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837391 (or 837387 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 100485240 is about 10024.2326389605. The cubic root of 100485240 is about 464.9084338144.

The spelling of 100485240 in words is "one hundred million, four hundred eighty-five thousand, two hundred forty".