422433375979500 has 144 divisors (see below), whose sum is σ = 1332797418231552. Its totient is φ = 112635296870400.

The previous prime is 422433375979487. The next prime is 422433375979541. The reversal of 422433375979500 is 5979573334224.

422433375979500 is a `hidden beast` number, since 4 + 2 + 2 + 4 + 3 + 3 + 3 + 7 + 59 + 79 + 500 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31627564 + ... + 42955436.

It is an arithmetic number, because the mean of its divisors is an integer number (9255537626608).

Almost surely, 2^{422433375979500} 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 422433375979500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (666398709115776).

422433375979500 is an abundant number, since it is smaller than the sum of its proper divisors (910364042252052).

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

422433375979500 is a wasteful number, since it uses less digits than its factorization.

422433375979500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11336185 (or 11336170 counting only the distinct ones).

The product of its (nonzero) digits is 171460800, while the sum is 63.

The spelling of 422433375979500 in words is "four hundred twenty-two trillion, four hundred thirty-three billion, three hundred seventy-five million, nine hundred seventy-nine thousand, five hundred".