445481504 has 24 divisors (see below), whose sum is σ = 944507340. Its totient is φ = 205606656.

The previous prime is 445481473. The next prime is 445481537. The reversal of 445481504 is 405184544.

It can be written as a sum of positive squares in 2 ways, for example, as 318693904 + 126787600 = 17852^2 + 11260^2 .

It is a super-2 number, since 2×445481504² = 396907540812204032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535019 + ... + 535850.

Almost surely, 2^445481504 is an apocalyptic number.

It is an amenable number.

445481504 is an abundant number, since it is smaller than the sum of its proper divisors (499025836).

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

445481504 is a wasteful number, since it uses less digits than its factorization.

445481504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070892 (or 1070884 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 35.

The square root of 445481504 is about 21106.4327634965. The cubic root of 445481504 is about 763.7359357139.

It can be divided in two parts, 4454 and 81504, that added together give a palindrome (85958).

The spelling of 445481504 in words is "four hundred forty-five million, four hundred eighty-one thousand, five hundred four".