40512033403 has 16 divisors (see below), whose sum is σ = 41065390080. Its totient is φ = 39963067200.

The previous prime is 40512033389. The next prime is 40512033427. The reversal of 40512033403 is 30433021504.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40512033403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40512033433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19391983 + ... + 19394071.

It is an arithmetic number, because the mean of its divisors is an integer number (2566586880).

Almost surely, 2^40512033403 is an apocalyptic number.

40512033403 is a deficient number, since it is larger than the sum of its proper divisors (553356677).

40512033403 is a wasteful number, since it uses less digits than its factorization.

40512033403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3018.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 40512033403 its reverse (30433021504), we get a palindrome (70945054907).

The spelling of 40512033403 in words is "forty billion, five hundred twelve million, thirty-three thousand, four hundred three".