612489988032 has 112 divisors (see below), whose sum is σ = 1748307684480. Its totient is φ = 188123286528.

The previous prime is 612489988027. The next prime is 612489988049. The reversal of 612489988032 is 230889984216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1187319 + ... + 1623177.

It is an arithmetic number, because the mean of its divisors is an integer number (15609890040).

Almost surely, 2^612489988032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612489988032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (874153842240).

612489988032 is an abundant number, since it is smaller than the sum of its proper divisors (1135817696448).

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

612489988032 is a wasteful number, since it uses less digits than its factorization.

612489988032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436450 (or 436440 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 60.

The spelling of 612489988032 in words is "six hundred twelve billion, four hundred eighty-nine million, nine hundred eighty-eight thousand, thirty-two".