445726020 has 24 divisors (see below), whose sum is σ = 1248033024. Its totient is φ = 118860256.

The previous prime is 445726007. The next prime is 445726037. The reversal of 445726020 is 20627544.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3714324 + ... + 3714443.

It is an arithmetic number, because the mean of its divisors is an integer number (52001376).

Almost surely, 2^445726020 is an apocalyptic number.

It is an amenable number.

445726020 is an abundant number, since it is smaller than the sum of its proper divisors (802307004).

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

445726020 is a wasteful number, since it uses less digits than its factorization.

445726020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7428779 (or 7428777 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 445726020 is about 21112.2244209368. The cubic root of 445726020 is about 763.8756433469.

The spelling of 445726020 in words is "four hundred forty-five million, seven hundred twenty-six thousand, twenty".