444421352625 has 16 divisors (see below), whose sum is σ = 739517131392. Its totient is φ = 237024721200.

The previous prime is 444421352621. The next prime is 444421352693. The reversal of 444421352625 is 526253124444.

It is not a de Polignac number, because 444421352625 - 2² = 444421352621 is a prime.

It is a super-3 number, since 3×444421352625³ (a number of 36 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (444421352621) 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, 592561429 + ... + 592562178.

It is an arithmetic number, because the mean of its divisors is an integer number (46219820712).

Almost surely, 2^444421352625 is an apocalyptic number.

It is an amenable number.

444421352625 is a deficient number, since it is larger than the sum of its proper divisors (295095778767).

444421352625 is a wasteful number, since it uses less digits than its factorization.

444421352625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185123625 (or 1185123615 counting only the distinct ones).

The product of its digits is 921600, while the sum is 42.

The spelling of 444421352625 in words is "four hundred forty-four billion, four hundred twenty-one million, three hundred fifty-two thousand, six hundred twenty-five".