40185662803 has 12 divisors (see below), whose sum is σ = 47470532328. Its totient is φ = 33722232960.

The previous prime is 40185662801. The next prime is 40185662833. The reversal of 40185662803 is 30826658104.

It is not a de Polignac number, because 40185662803 - 2¹ = 40185662801 is a prime.

It is a super-2 number, since 2×40185662803² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40185662803.

It is not an unprimeable number, because it can be changed into a prime (40185662801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10806550 + ... + 10810267.

It is an arithmetic number, because the mean of its divisors is an integer number (3955877694).

Almost surely, 2^40185662803 is an apocalyptic number.

40185662803 is a deficient number, since it is larger than the sum of its proper divisors (7284869525).

40185662803 is a wasteful number, since it uses less digits than its factorization.

40185662803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21616854 (or 21616841 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 40185662803 in words is "forty billion, one hundred eighty-five million, six hundred sixty-two thousand, eight hundred three".