44323020442 has 4 divisors (see below), whose sum is σ = 66484530666. Its totient is φ = 22161510220.

The previous prime is 44323020383. The next prime is 44323020479. The reversal of 44323020442 is 24402032344.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 43226152281 + 1096868161 = 207909^2 + 33119^2 .

It is a super-2 number, since 2×44323020442² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44323020442.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11080755109 + ... + 11080755112.

Almost surely, 2^44323020442 is an apocalyptic number.

44323020442 is a deficient number, since it is larger than the sum of its proper divisors (22161510224).

44323020442 is a wasteful number, since it uses less digits than its factorization.

44323020442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22161510223.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 44323020442 its reverse (24402032344), we get a palindrome (68725052786).

The spelling of 44323020442 in words is "forty-four billion, three hundred twenty-three million, twenty thousand, four hundred forty-two".