40666866203 has 8 divisors (see below), whose sum is σ = 40728951360. Its totient is φ = 40604811840.

The previous prime is 40666866197. The next prime is 40666866259. The reversal of 40666866203 is 30266866604.

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

It is a cyclic number.

It is not a de Polignac number, because 40666866203 - 2¹² = 40666862107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40666866293) 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, 4510526 + ... + 4519532.

It is an arithmetic number, because the mean of its divisors is an integer number (5091118920).

Almost surely, 2^40666866203 is an apocalyptic number.

40666866203 is a deficient number, since it is larger than the sum of its proper divisors (62085157).

40666866203 is an equidigital number, since it uses as much as digits as its factorization.

40666866203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15397.

The product of its (nonzero) digits is 1492992, while the sum is 47.

The spelling of 40666866203 in words is "forty billion, six hundred sixty-six million, eight hundred sixty-six thousand, two hundred three".