40064664266 has 16 divisors (see below), whose sum is σ = 66483747648. Its totient is φ = 17954714400.

The previous prime is 40064664251. The next prime is 40064664287. The reversal of 40064664266 is 66246646004.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12823235 + ... + 12826358.

It is an arithmetic number, because the mean of its divisors is an integer number (4155234228).

Almost surely, 2^40064664266 is an apocalyptic number.

40064664266 is a deficient number, since it is larger than the sum of its proper divisors (26419083382).

40064664266 is a wasteful number, since it uses less digits than its factorization.

40064664266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25649677.

The product of its (nonzero) digits is 995328, while the sum is 44.

The spelling of 40064664266 in words is "forty billion, sixty-four million, six hundred sixty-four thousand, two hundred sixty-six".