40006704686 has 16 divisors (see below), whose sum is σ = 64644108144. Its totient is φ = 18459520704.

The previous prime is 40006704677. The next prime is 40006704697. The reversal of 40006704686 is 68640760004.

40006704686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116471 + ... + 305906.

It is an arithmetic number, because the mean of its divisors is an integer number (4040256759).

Almost surely, 2^40006704686 is an apocalyptic number.

40006704686 is a deficient number, since it is larger than the sum of its proper divisors (24637403458).

40006704686 is a wasteful number, since it uses less digits than its factorization.

40006704686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426035.

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 40006704686 in words is "forty billion, six million, seven hundred four thousand, six hundred eighty-six".