425406560 has 48 divisors (see below), whose sum is σ = 1006538400. Its totient is φ = 169906176.

The previous prime is 425406533. The next prime is 425406563. The reversal of 425406560 is 65604524.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425406563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132656 + ... + 135824.

It is an arithmetic number, because the mean of its divisors is an integer number (20969550).

Almost surely, 2^425406560 is an apocalyptic number.

425406560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425406560 is an abundant number, since it is smaller than the sum of its proper divisors (581131840).

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

425406560 is a wasteful number, since it uses less digits than its factorization.

425406560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4023 (or 4015 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 425406560 is about 20625.3862994127. The cubic root of 425406560 is about 752.0869636866.

The spelling of 425406560 in words is "four hundred twenty-five million, four hundred six thousand, five hundred sixty".