421445059344 has 105 divisors (see below), whose sum is σ = 1224468360439. Its totient is φ = 140458315680.

The previous prime is 421445059283. The next prime is 421445059367. The reversal of 421445059344 is 443950544124.

The square root of 421445059344 is 649188.

It is a perfect power (a square), and thus also a powerful number.

421445059344 is a `hidden beast` number, since 4 + 2 + 1 + 4 + 4 + 50 + 593 + 4 + 4 = 666.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 421445059344.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 70109299 + ... + 70115309.

Almost surely, 2^421445059344 is an apocalyptic number.

421445059344 is the 649188-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421445059344

421445059344 is an abundant number, since it is smaller than the sum of its proper divisors (803023301095).

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

421445059344 is an frugal number, since it uses more digits than its factorization.

421445059344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12048 (or 6016 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 421445059344 in words is "four hundred twenty-one billion, four hundred forty-five million, fifty-nine thousand, three hundred forty-four".