612398944080 has 480 divisors, whose sum is σ = 2607595960320. Its totient is φ = 125094251520.

The previous prime is 612398944039. The next prime is 612398944097. The reversal of 612398944080 is 80449893216.

612398944080 is a `hidden beast` number, since 6 + 12 + 39 + 89 + 440 + 80 = 666.

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 95 ways as a sum of consecutive naturals, for example, 3177349 + ... + 3364571.

It is an arithmetic number, because the mean of its divisors is an integer number (5432491584).

Almost surely, 2^612398944080 is an apocalyptic number.

612398944080 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 612398944080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1303797980160).

612398944080 is an abundant number, since it is smaller than the sum of its proper divisors (1995197016240).

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

612398944080 is a wasteful number, since it uses less digits than its factorization.

612398944080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187319 (or 187310 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 612398944080 in words is "six hundred twelve billion, three hundred ninety-eight million, nine hundred forty-four thousand, eighty".