425646296064 has 792 divisors, whose sum is σ = 1428616431424. Its totient is φ = 126456422400.

The previous prime is 425646295979. The next prime is 425646296083. The reversal of 425646296064 is 460692646524.

425646296064 is a `hidden beast` number, since 4 + 2 + 5 + 6 + 4 + 6 + 29 + 606 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (792).

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

It is a self number, because there is not a number n which added to its sum of digits gives 425646296064.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2017280919 + ... + 2017281129.

Almost surely, 2^425646296064 is an apocalyptic number.

425646296064 is a gapful number since it is divisible by the number (44) 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 425646296064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (714308215712).

425646296064 is an abundant number, since it is smaller than the sum of its proper divisors (1002970135360).

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

425646296064 is a wasteful number, since it uses less digits than its factorization.

425646296064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 54.

The spelling of 425646296064 in words is "four hundred twenty-five billion, six hundred forty-six million, two hundred ninety-six thousand, sixty-four".