612046405404 has 72 divisors (see below), whose sum is σ = 1780000840800. Its totient is φ = 173696764032.

The previous prime is 612046405381. The next prime is 612046405409. The reversal of 612046405404 is 404504640216.

612046405404 is a `hidden beast` number, since 6 + 1 + 2 + 0 + 4 + 640 + 5 + 4 + 0 + 4 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612046405409) 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, 8112639 + ... + 8187734.

It is an arithmetic number, because the mean of its divisors is an integer number (24722233900).

Almost surely, 2^612046405404 is an apocalyptic number.

It is an amenable number.

612046405404 is an abundant number, since it is smaller than the sum of its proper divisors (1167954435396).

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

612046405404 is a wasteful number, since it uses less digits than its factorization.

612046405404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16300539 (or 16300534 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 612046405404 in words is "six hundred twelve billion, forty-six million, four hundred five thousand, four hundred four".