40102726866 has 32 divisors (see below), whose sum is σ = 81840844800. Its totient is φ = 13097594640.

The previous prime is 40102726847. The next prime is 40102726877. The reversal of 40102726866 is 66862720104.

It is a super-3 number, since 3×40102726866³ (a number of 33 digits) contains 333 as substring.

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 15 ways as a sum of consecutive naturals, for example, 260826 + ... + 385013.

It is an arithmetic number, because the mean of its divisors is an integer number (2557526400).

Almost surely, 2^40102726866 is an apocalyptic number.

40102726866 is an abundant number, since it is smaller than the sum of its proper divisors (41738117934).

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

40102726866 is a wasteful number, since it uses less digits than its factorization.

40102726866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646054.

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 40102726866 in words is "forty billion, one hundred two million, seven hundred twenty-six thousand, eight hundred sixty-six".