44121863 has 4 divisors (see below), whose sum is σ = 45198048. Its totient is φ = 43045680.

The previous prime is 44121859. The next prime is 44121899. The reversal of 44121863 is 36812144.

44121863 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 44121863 - 2² = 44121859 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 (44121163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538031 + ... + 538112.

It is an arithmetic number, because the mean of its divisors is an integer number (11299512).

Almost surely, 2^44121863 is an apocalyptic number.

44121863 is a deficient number, since it is larger than the sum of its proper divisors (1076185).

44121863 is a wasteful number, since it uses less digits than its factorization.

44121863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076184.

The product of its digits is 4608, while the sum is 29.

The square root of 44121863 is about 6642.4289984914. The cubic root of 44121863 is about 353.3604564638.

The spelling of 44121863 in words is "forty-four million, one hundred twenty-one thousand, eight hundred sixty-three".