445120620 has 96 divisors (see below), whose sum is σ = 1427155968. Its totient is φ = 101544192.

The previous prime is 445120609. The next prime is 445120667. The reversal of 445120620 is 26021544.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 418209 + ... + 419271.

It is an arithmetic number, because the mean of its divisors is an integer number (14866208).

Almost surely, 2^445120620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445120620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (713577984).

445120620 is an abundant number, since it is smaller than the sum of its proper divisors (982035348).

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

445120620 is a wasteful number, since it uses less digits than its factorization.

445120620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2079 (or 2077 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 445120620 is about 21097.8818842082. The cubic root of 445120620 is about 763.5296461621.

The spelling of 445120620 in words is "four hundred forty-five million, one hundred twenty thousand, six hundred twenty".