445053380 has 12 divisors (see below), whose sum is σ = 934612140. Its totient is φ = 178021344.

The previous prime is 445053361. The next prime is 445053403. The reversal of 445053380 is 83350544.

It can be written as a sum of positive squares in 2 ways, for example, as 225480256 + 219573124 = 15016^2 + 14818^2 .

It is a super-2 number, since 2×445053380² = 396145022098848800, 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, 11126315 + ... + 11126354.

It is an arithmetic number, because the mean of its divisors is an integer number (77884345).

Almost surely, 2^445053380 is an apocalyptic number.

It is an amenable number.

445053380 is an abundant number, since it is smaller than the sum of its proper divisors (489558760).

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

445053380 is a wasteful number, since it uses less digits than its factorization.

445053380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22252678 (or 22252676 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 445053380 is about 21096.2882991298. The cubic root of 445053380 is about 763.4911979180.

The spelling of 445053380 in words is "four hundred forty-five million, fifty-three thousand, three hundred eighty".