40666670403 has 24 divisors (see below), whose sum is σ = 55773144768. Its totient is φ = 26342959776.

The previous prime is 40666670399. The next prime is 40666670417. The reversal of 40666670403 is 30407666604.

It is not a de Polignac number, because 40666670403 - 2² = 40666670399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40666670423) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 5002300 + ... + 5010422.

It is an arithmetic number, because the mean of its divisors is an integer number (2323881032).

Almost surely, 2^40666670403 is an apocalyptic number.

40666670403 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

40666670403 is a deficient number, since it is larger than the sum of its proper divisors (15106474365).

40666670403 is an equidigital number, since it uses as much as digits as its factorization.

40666670403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8563 (or 8366 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 42.

The spelling of 40666670403 in words is "forty billion, six hundred sixty-six million, six hundred seventy thousand, four hundred three".