404120254212 has 72 divisors (see below), whose sum is σ = 1034543590080. Its totient is φ = 132998915520.

The previous prime is 404120254193. The next prime is 404120254217. The reversal of 404120254212 is 212452021404.

It is a happy number.

404120254212 is a `hidden beast` number, since 404 + 1 + 2 + 0 + 254 + 2 + 1 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (404120254217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 928537 + ... + 1292447.

Almost surely, 2^404120254212 is an apocalyptic number.

It is an amenable number.

404120254212 is an abundant number, since it is smaller than the sum of its proper divisors (630423335868).

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

404120254212 is a wasteful number, since it uses less digits than its factorization.

404120254212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364313 (or 364308 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 404120254212 its reverse (212452021404), we get a palindrome (616572275616).

The spelling of 404120254212 in words is "four hundred four billion, one hundred twenty million, two hundred fifty-four thousand, two hundred twelve".