4444140402320 has 80 divisors (see below), whose sum is σ = 10342052857920. Its totient is φ = 1776035289600.

The previous prime is 4444140402313. The next prime is 4444140402347. The reversal of 4444140402320 is 232040414444.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×4444140402320² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 517900430 + ... + 517909010.

It is an arithmetic number, because the mean of its divisors is an integer number (129275660724).

Almost surely, 2^{4444140402320} is an apocalyptic number.

4444140402320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4444140402320 is an abundant number, since it is smaller than the sum of its proper divisors (5897912455600).

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

4444140402320 is a wasteful number, since it uses less digits than its factorization.

4444140402320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13744 (or 13738 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 4444140402320 its reverse (232040414444), we get a palindrome (4676180816764).

The spelling of 4444140402320 in words is "four trillion, four hundred forty-four billion, one hundred forty million, four hundred two thousand, three hundred twenty".