40442401122220 has 12 divisors (see below), whose sum is σ = 84929042356704. Its totient is φ = 16176960448880.

The previous prime is 40442401122169. The next prime is 40442401122229. The reversal of 40442401122220 is 2222110424404.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40442401122229) 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, 1011060028036 + ... + 1011060028075.

It is an arithmetic number, because the mean of its divisors is an integer number (7077420196392).

Almost surely, 2^{40442401122220} is an apocalyptic number.

It is an amenable number.

40442401122220 is an abundant number, since it is smaller than the sum of its proper divisors (44486641234484).

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

40442401122220 is a wasteful number, since it uses less digits than its factorization.

40442401122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022120056120 (or 2022120056118 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 40442401122220 its reverse (2222110424404), we get a palindrome (42664511546624).

The spelling of 40442401122220 in words is "forty trillion, four hundred forty-two billion, four hundred one million, one hundred twenty-two thousand, two hundred twenty".