444625452 has 36 divisors (see below), whose sum is σ = 1147831776. Its totient is φ = 145054560.

The previous prime is 444625421. The next prime is 444625471. The reversal of 444625452 is 254526444.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129699 + ... + 133082.

It is an arithmetic number, because the mean of its divisors is an integer number (31884216).

Almost surely, 2^444625452 is an apocalyptic number.

It is an amenable number.

444625452 is an abundant number, since it is smaller than the sum of its proper divisors (703206324).

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

444625452 is a wasteful number, since it uses less digits than its factorization.

444625452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262838 (or 262833 counting only the distinct ones).

The product of its digits is 153600, while the sum is 36.

The square root of 444625452 is about 21086.1436019012. The cubic root of 444625452 is about 763.2464152711.

The spelling of 444625452 in words is "four hundred forty-four million, six hundred twenty-five thousand, four hundred fifty-two".