44421590 has 8 divisors (see below), whose sum is σ = 79958880. Its totient is φ = 17768632.

The previous prime is 44421589. The next prime is 44421593. The reversal of 44421590 is 9512444.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44421593) 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, 2221070 + ... + 2221089.

It is an arithmetic number, because the mean of its divisors is an integer number (9994860).

Almost surely, 2^44421590 is an apocalyptic number.

44421590 is a deficient number, since it is larger than the sum of its proper divisors (35537290).

44421590 is a wasteful number, since it uses less digits than its factorization.

44421590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4442166.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 44421590 is about 6664.9523629205. The cubic root of 44421590 is about 354.1587964726.

The spelling of 44421590 in words is "forty-four million, four hundred twenty-one thousand, five hundred ninety".