44261021 has 4 divisors (see below), whose sum is σ = 50584032. Its totient is φ = 37938012.

The previous prime is 44260987. The next prime is 44261023. The reversal of 44261021 is 12016244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 44261021 - 2¹⁰ = 44259997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44260984 and 44261002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44261023) 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, 3161495 + ... + 3161508.

It is an arithmetic number, because the mean of its divisors is an integer number (12646008).

Almost surely, 2^44261021 is an apocalyptic number.

It is an amenable number.

44261021 is a deficient number, since it is larger than the sum of its proper divisors (6323011).

44261021 is an equidigital number, since it uses as much as digits as its factorization.

44261021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6323010.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 44261021 is about 6652.8956853388. The cubic root of 44261021 is about 353.7315599273.

Adding to 44261021 its reverse (12016244), we get a palindrome (56277265).

The spelling of 44261021 in words is "forty-four million, two hundred sixty-one thousand, twenty-one".