44140213999 has 4 divisors (see below), whose sum is σ = 50445958864. Its totient is φ = 37834469136.

The previous prime is 44140213979. The next prime is 44140214011. The reversal of 44140213999 is 99931204144.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44140213999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44140213969) 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, 3152872422 + ... + 3152872435.

It is an arithmetic number, because the mean of its divisors is an integer number (12611489716).

Almost surely, 2^44140213999 is an apocalyptic number.

44140213999 is a deficient number, since it is larger than the sum of its proper divisors (6305744865).

44140213999 is an equidigital number, since it uses as much as digits as its factorization.

44140213999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6305744864.

The product of its (nonzero) digits is 279936, while the sum is 46.

The spelling of 44140213999 in words is "forty-four billion, one hundred forty million, two hundred thirteen thousand, nine hundred ninety-nine".