40686579662 has 8 divisors (see below), whose sum is σ = 61283106192. Its totient is φ = 20258877600.

The previous prime is 40686579653. The next prime is 40686579671. The reversal of 40686579662 is 26697568604.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40686579653) and next prime (40686579671).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42205514 + ... + 42206477.

It is an arithmetic number, because the mean of its divisors is an integer number (7660388274).

Almost surely, 2^40686579662 is an apocalyptic number.

40686579662 is a deficient number, since it is larger than the sum of its proper divisors (20596526530).

40686579662 is a wasteful number, since it uses less digits than its factorization.

40686579662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84412234.

The product of its (nonzero) digits is 26127360, while the sum is 59.

The spelling of 40686579662 in words is "forty billion, six hundred eighty-six million, five hundred seventy-nine thousand, six hundred sixty-two".