40422443100 has 144 divisors (see below), whose sum is σ = 126210672000. Its totient is φ = 9929721600.

The previous prime is 40422443071. The next prime is 40422443111. The reversal of 40422443100 is 134422404.

It is a happy number.

It is a super-2 number, since 2×40422443100² (a number of 22 digits) contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 1935715 + ... + 1956485.

It is an arithmetic number, because the mean of its divisors is an integer number (876463000).

Almost surely, 2^40422443100 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 40422443100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63105336000).

40422443100 is an abundant number, since it is smaller than the sum of its proper divisors (85788228900).

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

40422443100 is a wasteful number, since it uses less digits than its factorization.

40422443100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21300 (or 21293 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 40422443100 its reverse (134422404), we get a palindrome (40556865504).

The spelling of 40422443100 in words is "forty billion, four hundred twenty-two million, four hundred forty-three thousand, one hundred".