100404201240 has 160 divisors (see below), whose sum is σ = 385679717280. Its totient is φ = 22949526528.

The previous prime is 100404201199. The next prime is 100404201269. The reversal of 100404201240 is 42102404001.

100404201240 is a `hidden beast` number, since 1 + 0 + 0 + 4 + 0 + 420 + 1 + 240 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 2190817 + ... + 2236176.

It is an arithmetic number, because the mean of its divisors is an integer number (2410498233).

Almost surely, 2^100404201240 is an apocalyptic number.

100404201240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100404201240 is an abundant number, since it is smaller than the sum of its proper divisors (285275516040).

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

100404201240 is a wasteful number, since it uses less digits than its factorization.

100404201240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4427023 (or 4427010 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 100404201240 its reverse (42102404001), we get a palindrome (142506605241).

The spelling of 100404201240 in words is "one hundred billion, four hundred four million, two hundred one thousand, two hundred forty".