44421402 has 16 divisors (see below), whose sum is σ = 90169632. Its totient is φ = 14586000.

The previous prime is 44421397. The next prime is 44421407. The reversal of 44421402 is 20412444.

It is an interprime number because it is at equal distance from previous prime (44421397) and next prime (44421407).

It is not an unprimeable number, because it can be changed into a prime (44421407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54849 + ... + 55652.

It is an arithmetic number, because the mean of its divisors is an integer number (5635602).

Almost surely, 2^44421402 is an apocalyptic number.

44421402 is an abundant number, since it is smaller than the sum of its proper divisors (45748230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44421402 is a wasteful number, since it uses less digits than its factorization.

44421402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110573.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 44421402 is about 6664.9382592789. The cubic root of 44421402 is about 354.1582968510.

Adding to 44421402 its reverse (20412444), we get a palindrome (64833846).

The spelling of 44421402 in words is "forty-four million, four hundred twenty-one thousand, four hundred two".