40422051040 has 192 divisors, whose sum is σ = 114073795584. Its totient is φ = 13234434048.

The previous prime is 40422051037. The next prime is 40422051091. The reversal of 40422051040 is 4015022404.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24393892 + ... + 24395548.

It is an arithmetic number, because the mean of its divisors is an integer number (594134352).

Almost surely, 2^40422051040 is an apocalyptic number.

40422051040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40422051040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57036897792).

40422051040 is an abundant number, since it is smaller than the sum of its proper divisors (73651744544).

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

40422051040 is a wasteful number, since it uses less digits than its factorization.

40422051040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2649 (or 2641 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 40422051040 its reverse (4015022404), we get a palindrome (44437073444).

The spelling of 40422051040 in words is "forty billion, four hundred twenty-two million, fifty-one thousand, forty".