40684664583 has 8 divisors (see below), whose sum is σ = 60273577200. Its totient is φ = 27123109704.

The previous prime is 40684664551. The next prime is 40684664663. The reversal of 40684664583 is 38546648604.

40684664583 is a `hidden beast` number, since 4 + 0 + 68 + 466 + 45 + 83 = 666.

It is not a de Polignac number, because 40684664583 - 2⁵ = 40684664551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40689664583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 753419688 + ... + 753419741.

It is an arithmetic number, because the mean of its divisors is an integer number (7534197150).

Almost surely, 2^40684664583 is an apocalyptic number.

40684664583 is a deficient number, since it is larger than the sum of its proper divisors (19588912617).

40684664583 is a wasteful number, since it uses less digits than its factorization.

40684664583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506839438 (or 1506839432 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 54.

The spelling of 40684664583 in words is "forty billion, six hundred eighty-four million, six hundred sixty-four thousand, five hundred eighty-three".