444534126 has 16 divisors (see below), whose sum is σ = 890120784. Its totient is φ = 148002624.

The previous prime is 444534119. The next prime is 444534137. The reversal of 444534126 is 621435444.

It is a happy number.

It is a super-2 number, since 2×444534126² = 395221178357167752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38311 + ... + 48546.

It is an arithmetic number, because the mean of its divisors is an integer number (55632549).

Almost surely, 2^444534126 is an apocalyptic number.

444534126 is an abundant number, since it is smaller than the sum of its proper divisors (445586658).

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

444534126 is a wasteful number, since it uses less digits than its factorization.

444534126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87715.

The product of its digits is 46080, while the sum is 33.

The square root of 444534126 is about 21083.9779453499. The cubic root of 444534126 is about 763.1941547937.

The spelling of 444534126 in words is "four hundred forty-four million, five hundred thirty-four thousand, one hundred twenty-six".