44121024391 has 4 divisors (see below), whose sum is σ = 44330128984. Its totient is φ = 43911919800.

The previous prime is 44121024349. The next prime is 44121024397. The reversal of 44121024391 is 19342012144.

44121024391 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.

It is a cyclic number.

It is not a de Polignac number, because 44121024391 - 2¹⁷ = 44120893319 is a prime.

It is a super-2 number, since 2×44121024391² (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 (44121024397) 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, 104551980 + ... + 104552401.

It is an arithmetic number, because the mean of its divisors is an integer number (11082532246).

Almost surely, 2^44121024391 is an apocalyptic number.

44121024391 is a deficient number, since it is larger than the sum of its proper divisors (209104593).

44121024391 is a wasteful number, since it uses less digits than its factorization.

44121024391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209104592.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 44121024391 in words is "forty-four billion, one hundred twenty-one million, twenty-four thousand, three hundred ninety-one".