422479554320 has 80 divisors (see below), whose sum is σ = 1018194831360. Its totient is φ = 162855974400.

The previous prime is 422479554317. The next prime is 422479554359. The reversal of 422479554320 is 23455974224.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236330 + ... + 949110.

It is an arithmetic number, because the mean of its divisors is an integer number (12727435392).

Almost surely, 2^422479554320 is an apocalyptic number.

422479554320 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 422479554320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (509097415680).

422479554320 is an abundant number, since it is smaller than the sum of its proper divisors (595715277040).

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

422479554320 is a wasteful number, since it uses less digits than its factorization.

422479554320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713064 (or 713058 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 47.

The spelling of 422479554320 in words is "four hundred twenty-two billion, four hundred seventy-nine million, five hundred fifty-four thousand, three hundred twenty".