422424520000 has 140 divisors (see below), whose sum is σ = 1197115675360. Its totient is φ = 144831168000.

The previous prime is 422424519983. The next prime is 422424520033. The reversal of 422424520000 is 25424224.

It is a tau number, because it is divible by the number of its divisors (140).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 474330 + ... + 1034329.

Almost surely, 2^422424520000 is an apocalyptic number.

422424520000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422424520000 is an abundant number, since it is smaller than the sum of its proper divisors (774691155360).

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

422424520000 is an equidigital number, since it uses as much as digits as its factorization.

422424520000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508698 (or 1508673 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

Adding to 422424520000 its reverse (25424224), we get a palindrome (422449944224).

The spelling of 422424520000 in words is "four hundred twenty-two billion, four hundred twenty-four million, five hundred twenty thousand".