68425936488 has 384 divisors, whose sum is σ = 237952216320. Its totient is φ = 17938298880.

The previous prime is 68425936471. The next prime is 68425936499. The reversal of 68425936488 is 88463952486.

68425936488 is a `hidden beast` number, since 68 + 4 + 2 + 5 + 93 + 6 + 488 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 32018556 + ... + 32020692.

It is an arithmetic number, because the mean of its divisors is an integer number (619667230).

Almost surely, 2^68425936488 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 68425936488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118976108160).

68425936488 is an abundant number, since it is smaller than the sum of its proper divisors (169526279832).

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

68425936488 is a wasteful number, since it uses less digits than its factorization.

68425936488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359 (or 2343 counting only the distinct ones).

The product of its digits is 79626240, while the sum is 63.

The spelling of 68425936488 in words is "sixty-eight billion, four hundred twenty-five million, nine hundred thirty-six thousand, four hundred eighty-eight".