40442222224 has 80 divisors (see below), whose sum is σ = 83863382400. Its totient is φ = 18846417920.

The previous prime is 40442222179. The next prime is 40442222231. The reversal of 40442222224 is 42222224404.

It is a junction number, because it is equal to n+sod(n) for n = 40442222192 and 40442222201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19266327 + ... + 19268425.

It is an arithmetic number, because the mean of its divisors is an integer number (1048292280).

Almost surely, 2^40442222224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40442222224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41931691200).

40442222224 is an abundant number, since it is smaller than the sum of its proper divisors (43421160176).

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

40442222224 is a wasteful number, since it uses less digits than its factorization.

40442222224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3448 (or 3442 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 40442222224 its reverse (42222224404), we get a palindrome (82664446628).

The spelling of 40442222224 in words is "forty billion, four hundred forty-two million, two hundred twenty-two thousand, two hundred twenty-four".