425660025714 has 64 divisors (see below), whose sum is σ = 1123820531712. Its totient is φ = 104057452800.

The previous prime is 425660025649. The next prime is 425660025811. The reversal of 425660025714 is 417520066524.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27090442 + ... + 27106149.

It is an arithmetic number, because the mean of its divisors is an integer number (17559695808).

Almost surely, 2^425660025714 is an apocalyptic number.

425660025714 is an abundant number, since it is smaller than the sum of its proper divisors (698160505998).

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

425660025714 is a wasteful number, since it uses less digits than its factorization.

425660025714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54196631.

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 425660025714 in words is "four hundred twenty-five billion, six hundred sixty million, twenty-five thousand, seven hundred fourteen".