40660206064 has 20 divisors (see below), whose sum is σ = 78782546880. Its totient is φ = 20329226240.

The previous prime is 40660206029. The next prime is 40660206091. The reversal of 40660206064 is 46060206604.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 494832 + ... + 571120.

It is an arithmetic number, because the mean of its divisors is an integer number (3939127344).

Almost surely, 2^40660206064 is an apocalyptic number.

It is an amenable number.

40660206064 is a deficient number, since it is larger than the sum of its proper divisors (38122340816).

40660206064 is a wasteful number, since it uses less digits than its factorization.

40660206064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109608 (or 109602 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 40660206064 in words is "forty billion, six hundred sixty million, two hundred six thousand, sixty-four".