445214555536 has 45 divisors (see below), whose sum is σ = 891492395169. Its totient is φ = 215386363200.

The previous prime is 445214555521. The next prime is 445214555543. The reversal of 445214555536 is 635555412544.

The square root of 445214555536 is 667244.

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

It can be written as a sum of positive squares in only one way, i.e., 144822869136 + 300391686400 = 380556^2 + 548080^2 .

It is a super-2 number, since 2×445214555536² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 445214555536.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 82735566 + ... + 82740946.

Almost surely, 2^445214555536 is an apocalyptic number.

445214555536 is the 667244-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445214555536

445214555536 is an abundant number, since it is smaller than the sum of its proper divisors (446277839633).

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

445214555536 is an frugal number, since it uses more digits than its factorization.

445214555536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10832 (or 5414 counting only the distinct ones).

The product of its digits is 7200000, while the sum is 49.

Multiplying 445214555536 by its sum of digits (49), we get a square (21815513221264 = 4670708²).

The spelling of 445214555536 in words is "four hundred forty-five billion, two hundred fourteen million, five hundred fifty-five thousand, five hundred thirty-six".