445015020 has 24 divisors (see below), whose sum is σ = 1246042224. Its totient is φ = 118670656.

The previous prime is 445015019. The next prime is 445015027. The reversal of 445015020 is 20510544.

It is not an unprimeable number, because it can be changed into a prime (445015027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3708399 + ... + 3708518.

It is an arithmetic number, because the mean of its divisors is an integer number (51918426).

Almost surely, 2^445015020 is an apocalyptic number.

It is an amenable number.

445015020 is an abundant number, since it is smaller than the sum of its proper divisors (801027204).

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

445015020 is a wasteful number, since it uses less digits than its factorization.

445015020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7416929 (or 7416927 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 445015020 is about 21095.3791148678. The cubic root of 445015020 is about 763.4692617000.

Adding to 445015020 its reverse (20510544), we get a palindrome (465525564).

The spelling of 445015020 in words is "four hundred forty-five million, fifteen thousand, twenty".