422520325500 has 384 divisors, whose sum is σ = 1535676420096. Its totient is φ = 87889536000.

The previous prime is 422520325499. The next prime is 422520325541. The reversal of 422520325500 is 5523025224.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9669702 + ... + 9713298.

It is an arithmetic number, because the mean of its divisors is an integer number (3999157344).

Almost surely, 2^422520325500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422520325500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (767838210048).

422520325500 is an abundant number, since it is smaller than the sum of its proper divisors (1113156094596).

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

422520325500 is a wasteful number, since it uses less digits than its factorization.

422520325500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43710 (or 43698 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The spelling of 422520325500 in words is "four hundred twenty-two billion, five hundred twenty million, three hundred twenty-five thousand, five hundred".