425646760 has 64 divisors (see below), whose sum is σ = 1194030720. Its totient is φ = 132668160.

The previous prime is 425646751. The next prime is 425646791. The reversal of 425646760 is 67646524.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 66019 + ... + 72178.

It is an arithmetic number, because the mean of its divisors is an integer number (18656730).

Almost surely, 2^425646760 is an apocalyptic number.

425646760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425646760 is an abundant number, since it is smaller than the sum of its proper divisors (768383960).

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

425646760 is a wasteful number, since it uses less digits than its factorization.

425646760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138226 (or 138222 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 425646760 is about 20631.2083989281. The cubic root of 425646760 is about 752.2284889283.

The spelling of 425646760 in words is "four hundred twenty-five million, six hundred forty-six thousand, seven hundred sixty".