425645376 has 112 divisors (see below), whose sum is σ = 1252167168. Its totient is φ = 126720000.

The previous prime is 425645351. The next prime is 425645393. The reversal of 425645376 is 673546524.

It is a super-2 number, since 2×425645376² = 362347972220362752, 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, 74626 + ... + 80126.

It is an arithmetic number, because the mean of its divisors is an integer number (11180064).

Almost surely, 2^425645376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425645376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (626083584).

425645376 is an abundant number, since it is smaller than the sum of its proper divisors (826521792).

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

425645376 is a wasteful number, since it uses less digits than its factorization.

425645376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5560 (or 5550 counting only the distinct ones).

The product of its digits is 604800, while the sum is 42.

The square root of 425645376 is about 20631.1748574821. The cubic root of 425645376 is about 752.2276736314.

The spelling of 425645376 in words is "four hundred twenty-five million, six hundred forty-five thousand, three hundred seventy-six".