422951799647520 has 1152 divisors, whose sum is σ = 1787003662429440. Its totient is φ = 89559334748160.

The previous prime is 422951799647519. The next prime is 422951799647543. The reversal of 422951799647520 is 25746997159224.

422951799647520 is a `hidden beast` number, since 4 + 2 + 2 + 9 + 5 + 1 + 7 + 9 + 96 + 4 + 7 + 520 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3337282074 + ... + 3337408806.

It is an arithmetic number, because the mean of its divisors is an integer number (1551218456970).

Almost surely, 2^{422951799647520} is an apocalyptic number.

422951799647520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422951799647520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (893501831214720).

422951799647520 is an abundant number, since it is smaller than the sum of its proper divisors (1364051862781920).

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

422951799647520 is a wasteful number, since it uses less digits than its factorization.

422951799647520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127650 (or 127639 counting only the distinct ones).

The product of its (nonzero) digits is 685843200, while the sum is 72.

The spelling of 422951799647520 in words is "four hundred twenty-two trillion, nine hundred fifty-one billion, seven hundred ninety-nine million, six hundred forty-seven thousand, five hundred twenty".