40404040180 has 96 divisors (see below), whose sum is σ = 97649669376. Its totient is φ = 13756041216.

The previous prime is 40404040153. The next prime is 40404040181. The reversal of 40404040180 is 8104040404.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40404040181) by changing a digit.

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, 12557932 + ... + 12561148.

It is an arithmetic number, because the mean of its divisors is an integer number (1017184056).

Almost surely, 2^40404040180 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 40404040180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48824834688).

40404040180 is an abundant number, since it is smaller than the sum of its proper divisors (57245629196).

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

40404040180 is a wasteful number, since it uses less digits than its factorization.

40404040180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3833 (or 3831 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 40404040180 its reverse (8104040404), we get a palindrome (48508080584).

The spelling of 40404040180 in words is "forty billion, four hundred four million, forty thousand, one hundred eighty".