612032679648 has 240 divisors, whose sum is σ = 1945077605856. Its totient is φ = 187671997440.

The previous prime is 612032679647. The next prime is 612032679679. The reversal of 612032679648 is 846976230216.

It is a super-2 number, since 2×612032679648² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 612032679594 and 612032679603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612032679641) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9841933 + ... + 9903923.

Almost surely, 2^612032679648 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 612032679648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (972538802928).

612032679648 is an abundant number, since it is smaller than the sum of its proper divisors (1333044926208).

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

612032679648 is a wasteful number, since it uses less digits than its factorization.

612032679648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62319 (or 62302 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 612032679648 in words is "six hundred twelve billion, thirty-two million, six hundred seventy-nine thousand, six hundred forty-eight".