44021421311 has 8 divisors (see below), whose sum is σ = 50311625760. Its totient is φ = 37731574368.

The previous prime is 44021421293. The next prime is 44021421361. The reversal of 44021421311 is 11312412044.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44021421311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44021421361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271805 + ... + 402393.

It is an arithmetic number, because the mean of its divisors is an integer number (6288953220).

Almost surely, 2^44021421311 is an apocalyptic number.

44021421311 is a deficient number, since it is larger than the sum of its proper divisors (6290204449).

44021421311 is a wasteful number, since it uses less digits than its factorization.

44021421311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178753.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 44021421311 its reverse (11312412044), we get a palindrome (55333833355).

The spelling of 44021421311 in words is "forty-four billion, twenty-one million, four hundred twenty-one thousand, three hundred eleven".