44001142213 has 4 divisors (see below), whose sum is σ = 50287019680. Its totient is φ = 37715264748.

The previous prime is 44001142201. The next prime is 44001142219. The reversal of 44001142213 is 31224110044.

It is a happy number.

44001142213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-44001142213 is a prime.

It is a super-2 number, since 2×44001142213² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44001142219) 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, 3142938723 + ... + 3142938736.

It is an arithmetic number, because the mean of its divisors is an integer number (12571754920).

Almost surely, 2^44001142213 is an apocalyptic number.

It is an amenable number.

44001142213 is a deficient number, since it is larger than the sum of its proper divisors (6285877467).

44001142213 is an equidigital number, since it uses as much as digits as its factorization.

44001142213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6285877466.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 44001142213 its reverse (31224110044), we get a palindrome (75225252257).

The spelling of 44001142213 in words is "forty-four billion, one million, one hundred forty-two thousand, two hundred thirteen".