612489744960 has 112 divisors (see below), whose sum is σ = 1951831617792. Its totient is φ = 162727833600.

The previous prime is 612489744949. The next prime is 612489745031. The reversal of 612489744960 is 69447984216.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 612489744894 and 612489744903.

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 15 ways as a sum of consecutive naturals, for example, 916981 + ... + 1437300.

It is an arithmetic number, because the mean of its divisors is an integer number (17427068016).

Almost surely, 2^612489744960 is an apocalyptic number.

612489744960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

612489744960 is an abundant number, since it is smaller than the sum of its proper divisors (1339341872832).

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

612489744960 is a wasteful number, since it uses less digits than its factorization.

612489744960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2354572 (or 2354562 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 60.

The spelling of 612489744960 in words is "six hundred twelve billion, four hundred eighty-nine million, seven hundred forty-four thousand, nine hundred sixty".