612613566425040 has 80 divisors (see below), whose sum is σ = 1899136415936448. Its totient is φ = 163360662012928.

The previous prime is 612613566424991. The next prime is 612613566425057. The reversal of 612613566425040 is 40524665316216.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9782862 + ... + 36344621.

Almost surely, 2^{612613566425040} is an apocalyptic number.

612613566425040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

612613566425040 is an abundant number, since it is smaller than the sum of its proper divisors (1286522849511408).

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

612613566425040 is a wasteful number, since it uses less digits than its factorization.

612613566425040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46182836 (or 46182830 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 51.

The spelling of 612613566425040 in words is "six hundred twelve trillion, six hundred thirteen billion, five hundred sixty-six million, four hundred twenty-five thousand, forty".