44421051 has 8 divisors (see below), whose sum is σ = 62712144. Its totient is φ = 27872000.

The previous prime is 44421043. The next prime is 44421071. The reversal of 44421051 is 15012444.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44421051 - 2³ = 44421043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44421001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435450 + ... + 435551.

It is an arithmetic number, because the mean of its divisors is an integer number (7839018).

Almost surely, 2^44421051 is an apocalyptic number.

44421051 is a deficient number, since it is larger than the sum of its proper divisors (18291093).

44421051 is a wasteful number, since it uses less digits than its factorization.

44421051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871021.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 44421051 is about 6664.9119274001. The cubic root of 44421051 is about 354.1573640432.

Adding to 44421051 its reverse (15012444), we get a palindrome (59433495).

The spelling of 44421051 in words is "forty-four million, four hundred twenty-one thousand, fifty-one".