44120321345 has 16 divisors (see below), whose sum is σ = 53205223680. Its totient is φ = 35122585344.

The previous prime is 44120321291. The next prime is 44120321383. The reversal of 44120321345 is 54312302144.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44120321345 is a prime.

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, 1692329 + ... + 1718201.

It is an arithmetic number, because the mean of its divisors is an integer number (3325326480).

Almost surely, 2^44120321345 is an apocalyptic number.

It is an amenable number.

44120321345 is a deficient number, since it is larger than the sum of its proper divisors (9084902335).

44120321345 is a wasteful number, since it uses less digits than its factorization.

44120321345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27544.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 44120321345 its reverse (54312302144), we get a palindrome (98432623489).

The spelling of 44120321345 in words is "forty-four billion, one hundred twenty million, three hundred twenty-one thousand, three hundred forty-five".