44412421 has 4 divisors (see below), whose sum is σ = 45445312. Its totient is φ = 43379532.

The previous prime is 44412419. The next prime is 44412437. The reversal of 44412421 is 12421444.

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 44412421 - 2¹ = 44412419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44412392 and 44412401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44412451) 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, 516381 + ... + 516466.

It is an arithmetic number, because the mean of its divisors is an integer number (11361328).

Almost surely, 2^44412421 is an apocalyptic number.

It is an amenable number.

44412421 is a deficient number, since it is larger than the sum of its proper divisors (1032891).

44412421 is a wasteful number, since it uses less digits than its factorization.

44412421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032890.

The product of its digits is 1024, while the sum is 22.

The square root of 44412421 is about 6664.2644755442. The cubic root of 44412421 is about 354.1344276506.

Adding to 44412421 its reverse (12421444), we get a palindrome (56833865).

The spelling of 44412421 in words is "forty-four million, four hundred twelve thousand, four hundred twenty-one".