444462020 has 12 divisors (see below), whose sum is σ = 933370284. Its totient is φ = 177784800.

The previous prime is 444461981. The next prime is 444462047. The reversal of 444462020 is 20264444.

It can be written as a sum of positive squares in 2 ways, for example, as 108326464 + 336135556 = 10408^2 + 18334^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11111531 + ... + 11111570.

It is an arithmetic number, because the mean of its divisors is an integer number (77780857).

Almost surely, 2^444462020 is an apocalyptic number.

It is an amenable number.

444462020 is an abundant number, since it is smaller than the sum of its proper divisors (488908264).

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

444462020 is a wasteful number, since it uses less digits than its factorization.

444462020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22223110 (or 22223108 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 444462020 is about 21082.2679045685. The cubic root of 444462020 is about 763.1528877307.

The spelling of 444462020 in words is "four hundred forty-four million, four hundred sixty-two thousand, twenty".