44140231021 has 8 divisors (see below), whose sum is σ = 44208440640. Its totient is φ = 44072075712.

The previous prime is 44140231019. The next prime is 44140231067. The reversal of 44140231021 is 12013204144.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44140231021 - 2¹ = 44140231019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44140230983 and 44140231001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44140231081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1793920 + ... + 1818358.

It is an arithmetic number, because the mean of its divisors is an integer number (5526055080).

Almost surely, 2^44140231021 is an apocalyptic number.

It is an amenable number.

44140231021 is a deficient number, since it is larger than the sum of its proper divisors (68209619).

44140231021 is a wasteful number, since it uses less digits than its factorization.

44140231021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27155.

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

Adding to 44140231021 its reverse (12013204144), we get a palindrome (56153435165).

The spelling of 44140231021 in words is "forty-four billion, one hundred forty million, two hundred thirty-one thousand, twenty-one".