44344140413 has 4 divisors (see below), whose sum is σ = 46678042560. Its totient is φ = 42010238268.

The previous prime is 44344140391. The next prime is 44344140517. The reversal of 44344140413 is 31404144344.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 44344140413 - 2¹⁶ = 44344074877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 44344140413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44344142413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1166951045 + ... + 1166951082.

It is an arithmetic number, because the mean of its divisors is an integer number (11669510640).

Almost surely, 2^44344140413 is an apocalyptic number.

It is an amenable number.

44344140413 is a deficient number, since it is larger than the sum of its proper divisors (2333902147).

44344140413 is a wasteful number, since it uses less digits than its factorization.

44344140413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333902146.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 44344140413 its reverse (31404144344), we get a palindrome (75748284757).

The spelling of 44344140413 in words is "forty-four billion, three hundred forty-four million, one hundred forty thousand, four hundred thirteen".