612502379520 has 704 divisors, whose sum is σ = 2102238213120. Its totient is φ = 151872602112.

The previous prime is 612502379477. The next prime is 612502379591. The reversal of 612502379520 is 25973205216.

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 63 ways as a sum of consecutive naturals, for example, 2674682766 + ... + 2674682994.

Almost surely, 2^612502379520 is an apocalyptic number.

612502379520 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612502379520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1051119106560).

612502379520 is an abundant number, since it is smaller than the sum of its proper divisors (1489735833600).

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

612502379520 is a wasteful number, since it uses less digits than its factorization.

612502379520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

The spelling of 612502379520 in words is "six hundred twelve billion, five hundred two million, three hundred seventy-nine thousand, five hundred twenty".