445339380 has 24 divisors (see below), whose sum is σ = 1246950432. Its totient is φ = 118757152.

The previous prime is 445339379. The next prime is 445339421. The reversal of 445339380 is 83933544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3711102 + ... + 3711221.

It is an arithmetic number, because the mean of its divisors is an integer number (51956268).

Almost surely, 2^445339380 is an apocalyptic number.

It is an amenable number.

445339380 is an abundant number, since it is smaller than the sum of its proper divisors (801611052).

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

445339380 is a wasteful number, since it uses less digits than its factorization.

445339380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7422335 (or 7422333 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 445339380 is about 21103.0656540703. The cubic root of 445339380 is about 763.6547076865.

The spelling of 445339380 in words is "four hundred forty-five million, three hundred thirty-nine thousand, three hundred eighty".