312455224404 has 72 divisors (see below), whose sum is σ = 809388914880. Its totient is φ = 101601067392.

The previous prime is 312455224379. The next prime is 312455224423. The reversal of 312455224404 is 404422554213.

312455224404 is a `hidden beast` number, since 3 + 1 + 24 + 5 + 5 + 224 + 404 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 380409 + ... + 877280.

Almost surely, 2^312455224404 is an apocalyptic number.

It is an amenable number.

312455224404 is an abundant number, since it is smaller than the sum of its proper divisors (496933690476).

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

312455224404 is a wasteful number, since it uses less digits than its factorization.

312455224404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257869 (or 1257864 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 312455224404 its reverse (404422554213), we get a palindrome (716877778617).

The spelling of 312455224404 in words is "three hundred twelve billion, four hundred fifty-five million, two hundred twenty-four thousand, four hundred four".