425353520 has 40 divisors (see below), whose sum is σ = 1003719984. Its totient is φ = 167599872.

The previous prime is 425353507. The next prime is 425353571. The reversal of 425353520 is 25353524.

It is a tau number, because it is divible by the number of its divisors (40).

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, 34319 + ... + 45038.

Almost surely, 2^425353520 is an apocalyptic number.

425353520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425353520 is an abundant number, since it is smaller than the sum of its proper divisors (578366464).

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

425353520 is a wasteful number, since it uses less digits than its factorization.

425353520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79437 (or 79431 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 425353520 is about 20624.1004652324. The cubic root of 425353520 is about 752.0557054705.

The spelling of 425353520 in words is "four hundred twenty-five million, three hundred fifty-three thousand, five hundred twenty".