444426528 has 96 divisors (see below), whose sum is σ = 1435867776. Its totient is φ = 117209088.

The previous prime is 444426523. The next prime is 444426547. The reversal of 444426528 is 825624444.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (444426523) 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, 16701 + ... + 34172.

It is an arithmetic number, because the mean of its divisors is an integer number (14956956).

Almost surely, 2^444426528 is an apocalyptic number.

444426528 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

444426528 is an abundant number, since it is smaller than the sum of its proper divisors (991441248).

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

444426528 is a wasteful number, since it uses less digits than its factorization.

444426528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50906 (or 50898 counting only the distinct ones).

The product of its digits is 245760, while the sum is 39.

The square root of 444426528 is about 21081.4261377166. The cubic root of 444426528 is about 763.1325736265.

The spelling of 444426528 in words is "four hundred forty-four million, four hundred twenty-six thousand, five hundred twenty-eight".