425655870 has 16 divisors (see below), whose sum is σ = 1021574160. Its totient is φ = 113508224.

The previous prime is 425655869. The next prime is 425655941. The reversal of 425655870 is 78556524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7094235 + ... + 7094294.

It is an arithmetic number, because the mean of its divisors is an integer number (63848385).

Almost surely, 2^425655870 is an apocalyptic number.

425655870 is an abundant number, since it is smaller than the sum of its proper divisors (595918290).

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

425655870 is a wasteful number, since it uses less digits than its factorization.

425655870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14188539.

The product of its (nonzero) digits is 336000, while the sum is 42.

The square root of 425655870 is about 20631.4291797733. The cubic root of 425655870 is about 752.2338554695.

The spelling of 425655870 in words is "four hundred twenty-five million, six hundred fifty-five thousand, eight hundred seventy".