44012013345 has 24 divisors (see below), whose sum is σ = 80302622400. Its totient is φ = 22237648416.

The previous prime is 44012013341. The next prime is 44012013373. The reversal of 44012013345 is 54331021044.

It is a happy number.

It is not a de Polignac number, because 44012013345 - 2² = 44012013341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44012013341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25737165 + ... + 25738874.

It is an arithmetic number, because the mean of its divisors is an integer number (3345942600).

Almost surely, 2^44012013345 is an apocalyptic number.

44012013345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44012013345 is a deficient number, since it is larger than the sum of its proper divisors (36290609055).

44012013345 is a wasteful number, since it uses less digits than its factorization.

44012013345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51476069 (or 51476066 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 44012013345 its reverse (54331021044), we get a palindrome (98343034389).

The spelling of 44012013345 in words is "forty-four billion, twelve million, thirteen thousand, three hundred forty-five".