422515875393792 has 720 divisors, whose sum is σ = 1354271346164352. Its totient is φ = 130676453867520.

The previous prime is 422515875393791. The next prime is 422515875393827. The reversal of 422515875393792 is 297393578515224.

It is a happy number.

422515875393792 is a `hidden beast` number, since 4 + 2 + 2 + 5 + 1 + 5 + 87 + 539 + 3 + 7 + 9 + 2 = 666.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 422515875393792.

It is not an unprimeable number, because it can be changed into a prime (422515875393791) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5840901048 + ... + 5840973384.

Almost surely, 2^{422515875393792} 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 422515875393792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (677135673082176).

422515875393792 is an abundant number, since it is smaller than the sum of its proper divisors (931755470770560).

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

422515875393792 is a wasteful number, since it uses less digits than its factorization.

422515875393792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72756 (or 72733 counting only the distinct ones).

The product of its digits is 1143072000, while the sum is 72.

The spelling of 422515875393792 in words is "four hundred twenty-two trillion, five hundred fifteen billion, eight hundred seventy-five million, three hundred ninety-three thousand, seven hundred ninety-two".