422491648032 has 240 divisors, whose sum is σ = 1326365409600. Its totient is φ = 131538193920.

The previous prime is 422491648021. The next prime is 422491648039. The reversal of 422491648032 is 230846194224.

422491648032 is a `hidden beast` number, since 4 + 22 + 491 + 64 + 80 + 3 + 2 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (422491648039) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3436194 + ... + 3557022.

It is an arithmetic number, because the mean of its divisors is an integer number (5526522540).

Almost surely, 2^422491648032 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 422491648032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (663182704800).

422491648032 is an abundant number, since it is smaller than the sum of its proper divisors (903873761568).

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

422491648032 is a wasteful number, since it uses less digits than its factorization.

422491648032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120941 (or 120924 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 422491648032 in words is "four hundred twenty-two billion, four hundred ninety-one million, six hundred forty-eight thousand, thirty-two".