445893650 has 12 divisors (see below), whose sum is σ = 829362282. Its totient is φ = 178357440.

The previous prime is 445893631. The next prime is 445893667. The reversal of 445893650 is 56398544.

It can be written as a sum of positive squares in 3 ways, for example, as 314814049 + 131079601 = 17743^2 + 11449^2 .

It is a super-2 number, since 2×445893650² = 397642294220645000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4458887 + ... + 4458986.

Almost surely, 2^445893650 is an apocalyptic number.

445893650 is a deficient number, since it is larger than the sum of its proper divisors (383468632).

445893650 is a wasteful number, since it uses less digits than its factorization.

445893650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8917885 (or 8917880 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The square root of 445893650 is about 21116.1940225979. The cubic root of 445893650 is about 763.9713915715.

The spelling of 445893650 in words is "four hundred forty-five million, eight hundred ninety-three thousand, six hundred fifty".