425445344000 has 144 divisors (see below), whose sum is σ = 1060624568640. Its totient is φ = 170051788800.

The previous prime is 425445343997. The next prime is 425445344011. The reversal of 425445344000 is 443544524.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 51483869 + ... + 51492131.

Almost surely, 2^425445344000 is an apocalyptic number.

425445344000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425445344000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (530312284320).

425445344000 is an abundant number, since it is smaller than the sum of its proper divisors (635179224640).

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

425445344000 is an equidigital number, since it uses as much as digits as its factorization.

425445344000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9903 (or 9879 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 35.

Adding to 425445344000 its reverse (443544524), we get a palindrome (425888888524).

The spelling of 425445344000 in words is "four hundred twenty-five billion, four hundred forty-five million, three hundred forty-four thousand".