444172368 has 40 divisors (see below), whose sum is σ = 1148214208. Its totient is φ = 147958272.

The previous prime is 444172363. The next prime is 444172373. The reversal of 444172368 is 863271444.

It is an interprime number because it is at equal distance from previous prime (444172363) and next prime (444172373).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444172363) 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, 118296 + ... + 121992.

Almost surely, 2^444172368 is an apocalyptic number.

444172368 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

444172368 is an abundant number, since it is smaller than the sum of its proper divisors (704041840).

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

444172368 is a wasteful number, since it uses less digits than its factorization.

444172368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6211 (or 6205 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 444172368 is about 21075.3972204559. The cubic root of 444172368 is about 762.9870716908.

The spelling of 444172368 in words is "four hundred forty-four million, one hundred seventy-two thousand, three hundred sixty-eight".