425662540 has 12 divisors (see below), whose sum is σ = 893891376. Its totient is φ = 170265008.

The previous prime is 425662511. The next prime is 425662571. The reversal of 425662540 is 45266524.

It is a junction number, because it is equal to n+sod(n) for n = 425662496 and 425662505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10641544 + ... + 10641583.

It is an arithmetic number, because the mean of its divisors is an integer number (74490948).

Almost surely, 2^425662540 is an apocalyptic number.

It is an amenable number.

425662540 is an abundant number, since it is smaller than the sum of its proper divisors (468228836).

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

425662540 is a wasteful number, since it uses less digits than its factorization.

425662540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21283136 (or 21283134 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 425662540 is about 20631.5908257216. The cubic root of 425662540 is about 752.2377846009.

The spelling of 425662540 in words is "four hundred twenty-five million, six hundred sixty-two thousand, five hundred forty".