40088255636 has 24 divisors (see below), whose sum is σ = 82419212064. Its totient is φ = 16820246880.

The previous prime is 40088255621. The next prime is 40088255639. The reversal of 40088255636 is 63655288004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40088255639) 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 7 ways as a sum of consecutive naturals, for example, 35041610 + ... + 35042753.

It is an arithmetic number, because the mean of its divisors is an integer number (3434133836).

Almost surely, 2^40088255636 is an apocalyptic number.

It is an amenable number.

40088255636 is an abundant number, since it is smaller than the sum of its proper divisors (42330956428).

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

40088255636 is a wasteful number, since it uses less digits than its factorization.

40088255636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70084391 (or 70084389 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 40088255636 in words is "forty billion, eighty-eight million, two hundred fifty-five thousand, six hundred thirty-six".