425235515244 has 48 divisors (see below), whose sum is σ = 1002496535040. Its totient is φ = 140278331520.

The previous prime is 425235515209. The next prime is 425235515293. The reversal of 425235515244 is 442515532524.

It is a junction number, because it is equal to n+sod(n) for n = 425235515196 and 425235515205.

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, 1816584 + ... + 2037264.

It is an arithmetic number, because the mean of its divisors is an integer number (20885344480).

Almost surely, 2^425235515244 is an apocalyptic number.

It is an amenable number.

425235515244 is an abundant number, since it is smaller than the sum of its proper divisors (577261019796).

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

425235515244 is a wasteful number, since it uses less digits than its factorization.

425235515244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222350 (or 222348 counting only the distinct ones).

The product of its digits is 960000, while the sum is 42.

The spelling of 425235515244 in words is "four hundred twenty-five billion, two hundred thirty-five million, five hundred fifteen thousand, two hundred forty-four".