40134276640 has 24 divisors (see below), whose sum is σ = 94817228940. Its totient is φ = 16053710592.

The previous prime is 40134276629. The next prime is 40134276641. The reversal of 40134276640 is 4667243104.

It can be written as a sum of positive squares in 2 ways, for example, as 37780474384 + 2353802256 = 194372^2 + 48516^2 .

It is a super-2 number, since 2×40134276640² (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 40134276640.

It is not an unprimeable number, because it can be changed into a prime (40134276641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125419455 + ... + 125419774.

Almost surely, 2^40134276640 is an apocalyptic number.

40134276640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40134276640 is an abundant number, since it is smaller than the sum of its proper divisors (54682952300).

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

40134276640 is a wasteful number, since it uses less digits than its factorization.

40134276640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250839244 (or 250839236 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The spelling of 40134276640 in words is "forty billion, one hundred thirty-four million, two hundred seventy-six thousand, six hundred forty".