44021089 has 4 divisors (see below), whose sum is σ = 50309824. Its totient is φ = 37732356.

The previous prime is 44021069. The next prime is 44021113. The reversal of 44021089 is 98012044.

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 a cyclic number.

It is not a de Polignac number, because 44021089 - 2¹³ = 44012897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44021039) 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, 3144357 + ... + 3144370.

It is an arithmetic number, because the mean of its divisors is an integer number (12577456).

Almost surely, 2^44021089 is an apocalyptic number.

It is an amenable number.

44021089 is a deficient number, since it is larger than the sum of its proper divisors (6288735).

44021089 is an equidigital number, since it uses as much as digits as its factorization.

44021089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6288734.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 44021089 is about 6634.8390334657. The cubic root of 44021089 is about 353.0912271875.

The spelling of 44021089 in words is "forty-four million, twenty-one thousand, eighty-nine".