444591468 has 36 divisors (see below), whose sum is σ = 1132419288. Its totient is φ = 147064320.

The previous prime is 444591467. The next prime is 444591479. The reversal of 444591468 is 864195444.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (444591467) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42421 + ... + 51852.

Almost surely, 2^444591468 is an apocalyptic number.

It is an amenable number.

444591468 is an abundant number, since it is smaller than the sum of its proper divisors (687827820).

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

444591468 is a wasteful number, since it uses less digits than its factorization.

444591468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94414 (or 94409 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 444591468 is about 21085.3377492513. The cubic root of 444591468 is about 763.2269690706.

The spelling of 444591468 in words is "four hundred forty-four million, five hundred ninety-one thousand, four hundred sixty-eight".