444171090 has 32 divisors (see below), whose sum is σ = 1162921536. Its totient is φ = 107677760.

The previous prime is 444171071. The next prime is 444171107. The reversal of 444171090 is 90171444.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 672657 + ... + 673316.

It is an arithmetic number, because the mean of its divisors is an integer number (36341298).

Almost surely, 2^444171090 is an apocalyptic number.

444171090 is an abundant number, since it is smaller than the sum of its proper divisors (718750446).

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

444171090 is a wasteful number, since it uses less digits than its factorization.

444171090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345994.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 444171090 is about 21075.3669007209. The cubic root of 444171090 is about 762.9863399190.

The spelling of 444171090 in words is "four hundred forty-four million, one hundred seventy-one thousand, ninety".