444672426 has 32 divisors (see below), whose sum is σ = 977619456. Its totient is φ = 133718000.

The previous prime is 444672421. The next prime is 444672427. The reversal of 444672426 is 624276444.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (444672421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17070 + ... + 34361.

It is an arithmetic number, because the mean of its divisors is an integer number (30550608).

Almost surely, 2^444672426 is an apocalyptic number.

444672426 is an abundant number, since it is smaller than the sum of its proper divisors (532947030).

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

444672426 is a wasteful number, since it uses less digits than its factorization.

444672426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51578.

The product of its digits is 258048, while the sum is 39.

The square root of 444672426 is about 21087.2574319185. The cubic root of 444672426 is about 763.2732929306.

The spelling of 444672426 in words is "four hundred forty-four million, six hundred seventy-two thousand, four hundred twenty-six".