444784452 has 48 divisors (see below), whose sum is σ = 1248522240. Its totient is φ = 120392352.

The previous prime is 444784429. The next prime is 444784469. The reversal of 444784452 is 254487444.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137748 + ... + 140939.

It is an arithmetic number, because the mean of its divisors is an integer number (26010880).

Almost surely, 2^444784452 is an apocalyptic number.

444784452 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

444784452 is an abundant number, since it is smaller than the sum of its proper divisors (803737788).

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

444784452 is a wasteful number, since it uses less digits than its factorization.

444784452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278720 (or 278718 counting only the distinct ones).

The product of its digits is 573440, while the sum is 42.

The square root of 444784452 is about 21089.9135133362. The cubic root of 444784452 is about 763.3373845101.

The spelling of 444784452 in words is "four hundred forty-four million, seven hundred eighty-four thousand, four hundred fifty-two".