612604645000 has 40 divisors (see below), whose sum is σ = 1435332694950. Its totient is φ = 245041856000.

The previous prime is 612604644959. The next prime is 612604645019. The reversal of 612604645000 is 546406216.

It can be written as a sum of positive squares in 5 ways, for example, as 2640520996 + 609964124004 = 51386^2 + 781002^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 61255465 + ... + 61265464.

Almost surely, 2^612604645000 is an apocalyptic number.

It is an amenable number.

612604645000 is an abundant number, since it is smaller than the sum of its proper divisors (822728049950).

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

612604645000 is a wasteful number, since it uses less digits than its factorization.

612604645000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122520955 (or 122520936 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 612604645000 in words is "six hundred twelve billion, six hundred four million, six hundred forty-five thousand".