425581870 has 32 divisors (see below), whose sum is σ = 879372288. Its totient is φ = 145265568.

The previous prime is 425581867. The next prime is 425581883. The reversal of 425581870 is 78185524.

It is a super-2 number, since 2×425581870² = 362239856145393800, which contains 22 as substring.

It is a congruent number.

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, 2499 + ... + 29281.

It is an arithmetic number, because the mean of its divisors is an integer number (27480384).

Almost surely, 2^425581870 is an apocalyptic number.

425581870 is an abundant number, since it is smaller than the sum of its proper divisors (453790418).

425581870 is a wasteful number, since it uses less digits than its factorization.

425581870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27024.

The product of its (nonzero) digits is 89600, while the sum is 40.

The square root of 425581870 is about 20629.6357214566. The cubic root of 425581870 is about 752.1902611520.

The spelling of 425581870 in words is "four hundred twenty-five million, five hundred eighty-one thousand, eight hundred seventy".