444424457572 has 24 divisors (see below), whose sum is σ = 792750623616. Its totient is φ = 217927807968.

The previous prime is 444424457563. The next prime is 444424457579. The reversal of 444424457572 is 275754424444.

It is a super-3 number, since 3×444424457572³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (444424457579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65343 + ... + 945049.

It is an arithmetic number, because the mean of its divisors is an integer number (33031275984).

Almost surely, 2^444424457572 is an apocalyptic number.

It is an amenable number.

444424457572 is a deficient number, since it is larger than the sum of its proper divisors (348326166044).

444424457572 is a wasteful number, since it uses less digits than its factorization.

444424457572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882147 (or 882145 counting only the distinct ones).

The product of its digits is 20070400, while the sum is 52.

The spelling of 444424457572 in words is "four hundred forty-four billion, four hundred twenty-four million, four hundred fifty-seven thousand, five hundred seventy-two".