425990850 has 24 divisors (see below), whose sum is σ = 1056457680. Its totient is φ = 113597520.

The previous prime is 425990837. The next prime is 425990863. The reversal of 425990850 is 58099524.

It is an interprime number because it is at equal distance from previous prime (425990837) and next prime (425990863).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1419820 + ... + 1420119.

It is an arithmetic number, because the mean of its divisors is an integer number (44019070).

Almost surely, 2^425990850 is an apocalyptic number.

425990850 is an abundant number, since it is smaller than the sum of its proper divisors (630466830).

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

425990850 is a wasteful number, since it uses less digits than its factorization.

425990850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2839954 (or 2839949 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 425990850 is about 20639.5457798858. The cubic root of 425990850 is about 752.4311331627.

The spelling of 425990850 in words is "four hundred twenty-five million, nine hundred ninety thousand, eight hundred fifty".