425909420800 has 54 divisors (see below), whose sum is σ = 1054192380668. Its totient is φ = 170363765760.

The previous prime is 425909420777. The next prime is 425909420801. The reversal of 425909420800 is 8024909524.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (425909420801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33267774 + ... + 33280573.

Almost surely, 2^425909420800 is an apocalyptic number.

425909420800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425909420800 is an abundant number, since it is smaller than the sum of its proper divisors (628282959868).

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

425909420800 is an equidigital number, since it uses as much as digits as its factorization.

425909420800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66548373 (or 66548354 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 425909420800 in words is "four hundred twenty-five billion, nine hundred nine million, four hundred twenty thousand, eight hundred".