440443204021022 has 4 divisors (see below), whose sum is σ = 660664806031536. Its totient is φ = 220221602010510.

The previous prime is 440443204021021. The next prime is 440443204021043. The reversal of 440443204021022 is 220120402344044.

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

It is a super-2 number, since 2×440443204021022² (a number of 30 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 440443204021022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440443204021021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110110801005254 + ... + 110110801005257.

It is an arithmetic number, because the mean of its divisors is an integer number (165166201507884).

Almost surely, 2^{440443204021022} is an apocalyptic number.

440443204021022 is a deficient number, since it is larger than the sum of its proper divisors (220221602010514).

440443204021022 is a wasteful number, since it uses less digits than its factorization.

440443204021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220221602010513.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 440443204021022 its reverse (220120402344044), we get a palindrome (660563606365066).

The spelling of 440443204021022 in words is "four hundred forty trillion, four hundred forty-three billion, two hundred four million, twenty-one thousand, twenty-two".