44450123253505 has 16 divisors (see below), whose sum is σ = 53453266398720. Its totient is φ = 35484691169152.

The previous prime is 44450123253457. The next prime is 44450123253511. The reversal of 44450123253505 is 50535232105444.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44450123253505 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, 76414917 + ... + 76994413.

It is an arithmetic number, because the mean of its divisors is an integer number (3340829149920).

Almost surely, 2^{44450123253505} is an apocalyptic number.

It is an amenable number.

44450123253505 is a deficient number, since it is larger than the sum of its proper divisors (9003143145215).

44450123253505 is a wasteful number, since it uses less digits than its factorization.

44450123253505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612008.

The product of its (nonzero) digits is 1440000, while the sum is 43.

Adding to 44450123253505 its reverse (50535232105444), we get a palindrome (94985355358949).

The spelling of 44450123253505 in words is "forty-four trillion, four hundred fifty billion, one hundred twenty-three million, two hundred fifty-three thousand, five hundred five".