444400086 has 32 divisors (see below), whose sum is σ = 962061408. Its totient is φ = 136039680.

The previous prime is 444400057. The next prime is 444400093. The reversal of 444400086 is 680004444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 906 + ... + 29826.

It is an arithmetic number, because the mean of its divisors is an integer number (30064419).

Almost surely, 2^444400086 is an apocalyptic number.

444400086 is an abundant number, since it is smaller than the sum of its proper divisors (517661322).

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

444400086 is a wasteful number, since it uses less digits than its factorization.

444400086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29136.

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 444400086 is about 21080.7989886532. The cubic root of 444400086 is about 763.1174386526.

The spelling of 444400086 in words is "four hundred forty-four million, four hundred thousand, eighty-six".