444475552 has 24 divisors (see below), whose sum is σ = 913108896. Its totient is φ = 212574912.

The previous prime is 444475519. The next prime is 444475553. The reversal of 444475552 is 255574444.

It is a happy number.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (444475553) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 301218 + ... + 302689.

It is an arithmetic number, because the mean of its divisors is an integer number (38046204).

Almost surely, 2^444475552 is an apocalyptic number.

It is an amenable number.

444475552 is an abundant number, since it is smaller than the sum of its proper divisors (468633344).

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

444475552 is a wasteful number, since it uses less digits than its factorization.

444475552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603940 (or 603932 counting only the distinct ones).

The product of its digits is 448000, while the sum is 40.

The square root of 444475552 is about 21082.5888353399. The cubic root of 444475552 is about 763.1606325845.

The spelling of 444475552 in words is "four hundred forty-four million, four hundred seventy-five thousand, five hundred fifty-two".