425060640642 has 32 divisors (see below), whose sum is σ = 943123772160. Its totient is φ = 126623096720.

The previous prime is 425060640623. The next prime is 425060640661. The reversal of 425060640642 is 246046060524.

It is an interprime number because it is at equal distance from previous prime (425060640623) and next prime (425060640661).

It is a self number, because there is not a number n which added to its sum of digits gives 425060640642.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54575028 + ... + 54582815.

It is an arithmetic number, because the mean of its divisors is an integer number (29472617880).

Almost surely, 2^425060640642 is an apocalyptic number.

425060640642 is an abundant number, since it is smaller than the sum of its proper divisors (518063131518).

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

425060640642 is a wasteful number, since it uses less digits than its factorization.

425060640642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109157918.

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 425060640642 in words is "four hundred twenty-five billion, sixty million, six hundred forty thousand, six hundred forty-two".