444002134320 has 60 divisors (see below), whose sum is σ = 1491107170176. Its totient is φ = 118400568960.

The previous prime is 444002134307. The next prime is 444002134343. The reversal of 444002134320 is 23431200444.

It is a happy number.

444002134320 is a `hidden beast` number, since 4 + 4 + 400 + 213 + 43 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 308334096 + ... + 308335535.

Almost surely, 2^444002134320 is an apocalyptic number.

444002134320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444002134320 is an abundant number, since it is smaller than the sum of its proper divisors (1047105035856).

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

444002134320 is a wasteful number, since it uses less digits than its factorization.

444002134320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616669650 (or 616669641 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 444002134320 its reverse (23431200444), we get a palindrome (467433334764).

The spelling of 444002134320 in words is "four hundred forty-four billion, two million, one hundred thirty-four thousand, three hundred twenty".