444631494 has 8 divisors (see below), whose sum is σ = 889263000. Its totient is φ = 148210496.

The previous prime is 444631463. The next prime is 444631519. The reversal of 444631494 is 494136444.

It is a sphenic number, since it is the product of 3 distinct primes.

444631494 is an admirable number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 37052619 + ... + 37052630.

It is an arithmetic number, because the mean of its divisors is an integer number (111157875).

Almost surely, 2^444631494 is an apocalyptic number.

444631494 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

444631494 is a wasteful number, since it uses less digits than its factorization.

444631494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74105254.

The product of its digits is 165888, while the sum is 39.

The square root of 444631494 is about 21086.2868708552. The cubic root of 444631494 is about 763.2498724985.

The spelling of 444631494 in words is "four hundred forty-four million, six hundred thirty-one thousand, four hundred ninety-four".