40640260006 has 8 divisors (see below), whose sum is σ = 60976076760. Its totient is φ = 20314901088.

The previous prime is 40640259991. The next prime is 40640260019. The reversal of 40640260006 is 60006204604.

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2604736 + ... + 2620291.

It is an arithmetic number, because the mean of its divisors is an integer number (7622009595).

Almost surely, 2^40640260006 is an apocalyptic number.

40640260006 is a deficient number, since it is larger than the sum of its proper divisors (20335816754).

40640260006 is a wasteful number, since it uses less digits than its factorization.

40640260006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5228918.

The product of its (nonzero) digits is 6912, while the sum is 28.

The spelling of 40640260006 in words is "forty billion, six hundred forty million, two hundred sixty thousand, six".