40134410020 has 12 divisors (see below), whose sum is σ = 84282261084. Its totient is φ = 16053764000.

The previous prime is 40134409979. The next prime is 40134410077. The reversal of 40134410020 is 2001443104.

It can be written as a sum of positive squares in 2 ways, for example, as 16357386816 + 23777023204 = 127896^2 + 154198^2 .

It is a super-2 number, since 2×40134410020² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40134410020.

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 3 ways as a sum of consecutive naturals, for example, 1003360231 + ... + 1003360270.

It is an arithmetic number, because the mean of its divisors is an integer number (7023521757).

Almost surely, 2^40134410020 is an apocalyptic number.

It is an amenable number.

40134410020 is an abundant number, since it is smaller than the sum of its proper divisors (44147851064).

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

40134410020 is a wasteful number, since it uses less digits than its factorization.

40134410020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006720510 (or 2006720508 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 40134410020 its reverse (2001443104), we get a palindrome (42135853124).

The spelling of 40134410020 in words is "forty billion, one hundred thirty-four million, four hundred ten thousand, twenty".