40422222040 has 16 divisors (see below), whose sum is σ = 90949999680. Its totient is φ = 16168888800.

The previous prime is 40422222007. The next prime is 40422222053. The reversal of 40422222040 is 4022222404.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505277736 + ... + 505277815.

It is an arithmetic number, because the mean of its divisors is an integer number (5684374980).

Almost surely, 2^40422222040 is an apocalyptic number.

40422222040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40422222040 is an abundant number, since it is smaller than the sum of its proper divisors (50527777640).

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

40422222040 is a wasteful number, since it uses less digits than its factorization.

40422222040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010555562 (or 1010555558 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 40422222040 its reverse (4022222404), we get a palindrome (44444444444).

The spelling of 40422222040 in words is "forty billion, four hundred twenty-two million, two hundred twenty-two thousand, forty".