425904570 has 576 divisors, whose sum is σ = 1613364480. Its totient is φ = 76640256.

The previous prime is 425904559. The next prime is 425904613. The reversal of 425904570 is 75409524.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 18517579 + ... + 18517601.

It is an arithmetic number, because the mean of its divisors is an integer number (2800980).

Almost surely, 2^425904570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425904570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (806682240).

425904570 is an abundant number, since it is smaller than the sum of its proper divisors (1187459910).

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

425904570 is a wasteful number, since it uses less digits than its factorization.

425904570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 425904570 is about 20637.4555117631. The cubic root of 425904570 is about 752.3803307087.

The spelling of 425904570 in words is "four hundred twenty-five million, nine hundred four thousand, five hundred seventy".