444249464 has 8 divisors (see below), whose sum is σ = 832967760. Its totient is φ = 222124728.

The previous prime is 444249461. The next prime is 444249467. The reversal of 444249464 is 464942444.

It is an interprime number because it is at equal distance from previous prime (444249461) and next prime (444249467).

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444249461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27765584 + ... + 27765599.

It is an arithmetic number, because the mean of its divisors is an integer number (104120970).

Almost surely, 2^444249464 is an apocalyptic number.

It is an amenable number.

444249464 is a deficient number, since it is larger than the sum of its proper divisors (388718296).

444249464 is a wasteful number, since it uses less digits than its factorization.

444249464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55531189 (or 55531185 counting only the distinct ones).

The product of its digits is 442368, while the sum is 41.

The square root of 444249464 is about 21077.2261932162. The cubic root of 444249464 is about 763.0312135994.

The spelling of 444249464 in words is "four hundred forty-four million, two hundred forty-nine thousand, four hundred sixty-four".