445301720 has 16 divisors (see below), whose sum is σ = 1001928960. Its totient is φ = 178120672.

The previous prime is 445301719. The next prime is 445301729. The reversal of 445301720 is 27103544.

It is a self number, because there is not a number n which added to its sum of digits gives 445301720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445301729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5566232 + ... + 5566311.

It is an arithmetic number, because the mean of its divisors is an integer number (62620560).

Almost surely, 2^445301720 is an apocalyptic number.

445301720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

445301720 is an abundant number, since it is smaller than the sum of its proper divisors (556627240).

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

445301720 is a wasteful number, since it uses less digits than its factorization.

445301720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11132554 (or 11132550 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 445301720 is about 21102.1733477858. The cubic root of 445301720 is about 763.6331809975.

The spelling of 445301720 in words is "four hundred forty-five million, three hundred one thousand, seven hundred twenty".