445213580 has 48 divisors (see below), whose sum is σ = 1069723200. Its totient is φ = 152471808.

The previous prime is 445213579. The next prime is 445213603. The reversal of 445213580 is 85312544.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215834 + ... + 217886.

It is an arithmetic number, because the mean of its divisors is an integer number (22285900).

Almost surely, 2^445213580 is an apocalyptic number.

It is an amenable number.

445213580 is an abundant number, since it is smaller than the sum of its proper divisors (624509620).

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

445213580 is a wasteful number, since it uses less digits than its factorization.

445213580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3618 (or 3616 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 445213580 is about 21100.0848339527. The cubic root of 445213580 is about 763.5827948834.

The spelling of 445213580 in words is "four hundred forty-five million, two hundred thirteen thousand, five hundred eighty".