40641502066 has 8 divisors (see below), whose sum is σ = 66504276144. Its totient is φ = 18473410020.

The previous prime is 40641502051. The next prime is 40641502079. The reversal of 40641502066 is 66020514604.

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

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, 923670480 + ... + 923670523.

It is an arithmetic number, because the mean of its divisors is an integer number (8313034518).

Almost surely, 2^40641502066 is an apocalyptic number.

40641502066 is a deficient number, since it is larger than the sum of its proper divisors (25862774078).

40641502066 is a wasteful number, since it uses less digits than its factorization.

40641502066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847341016.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 40641502066 in words is "forty billion, six hundred forty-one million, five hundred two thousand, sixty-six".