40302040403 has 12 divisors (see below), whose sum is σ = 43236116592. Its totient is φ = 37555747200.

The previous prime is 40302040391. The next prime is 40302040411. The reversal of 40302040403 is 30404020304.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-40302040403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40302040433) 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, 661175 + ... + 719552.

It is an arithmetic number, because the mean of its divisors is an integer number (3603009716).

Almost surely, 2^40302040403 is an apocalyptic number.

40302040403 is a deficient number, since it is larger than the sum of its proper divisors (2934076189).

40302040403 is a wasteful number, since it uses less digits than its factorization.

40302040403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380862 (or 1380845 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 40302040403 its reverse (30404020304), we get a palindrome (70706060707).

The spelling of 40302040403 in words is "forty billion, three hundred two million, forty thousand, four hundred three".