404212240100 has 36 divisors (see below), whose sum is σ = 877173260964. Its totient is φ = 161678868480.

The previous prime is 404212240099. The next prime is 404212240127. The reversal of 404212240100 is 1042212404.

It can be written as a sum of positive squares in 6 ways, for example, as 56329326244 + 347882913856 = 237338^2 + 589816^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3433412 + ... + 3549188.

Almost surely, 2^404212240100 is an apocalyptic number.

It is an amenable number.

404212240100 is an abundant number, since it is smaller than the sum of its proper divisors (472961020864).

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

404212240100 is a wasteful number, since it uses less digits than its factorization.

404212240100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150704 (or 150697 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 404212240100 its reverse (1042212404), we get a palindrome (405254452504).

The spelling of 404212240100 in words is "four hundred four billion, two hundred twelve million, two hundred forty thousand, one hundred".