425696259744 has 72 divisors (see below), whose sum is σ = 1383512850720. Its totient is φ = 121627502208.

The previous prime is 425696259743. The next prime is 425696259761. The reversal of 425696259744 is 447952696524.

425696259744 is a `hidden beast` number, since 4 + 2 + 569 + 6 + 25 + 9 + 7 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-4 number, since 4×425696259744⁴ (a number of 48 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3, 2.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (425696259743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105577414 + ... + 105581445.

It is an arithmetic number, because the mean of its divisors is an integer number (19215456260).

Almost surely, 2^425696259744 is an apocalyptic number.

It is an amenable number.

425696259744 is an abundant number, since it is smaller than the sum of its proper divisors (957816590976).

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

425696259744 is a wasteful number, since it uses less digits than its factorization.

425696259744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211158882 (or 211158871 counting only the distinct ones).

The product of its digits is 130636800, while the sum is 63.

The spelling of 425696259744 in words is "four hundred twenty-five billion, six hundred ninety-six million, two hundred fifty-nine thousand, seven hundred forty-four".