44266421 has 4 divisors (see below), whose sum is σ = 46191072. Its totient is φ = 42341772.

The previous prime is 44266403. The next prime is 44266423. The reversal of 44266421 is 12466244.

It is a happy number.

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 44266421 - 2²² = 40072117 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 (44266423) 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, 962291 + ... + 962336.

It is an arithmetic number, because the mean of its divisors is an integer number (11547768).

Almost surely, 2^44266421 is an apocalyptic number.

It is an amenable number.

44266421 is a deficient number, since it is larger than the sum of its proper divisors (1924651).

44266421 is a wasteful number, since it uses less digits than its factorization.

44266421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924650.

The product of its digits is 9216, while the sum is 29.

The square root of 44266421 is about 6653.3015112799. The cubic root of 44266421 is about 353.7459448398.

The spelling of 44266421 in words is "forty-four million, two hundred sixty-six thousand, four hundred twenty-one".