40113003 has 16 divisors (see below), whose sum is σ = 63233280. Its totient is φ = 22130976.

The previous prime is 40112983. The next prime is 40113019. The reversal of 40113003 is 30031104.

It is not a de Polignac number, because 40113003 - 2⁶ = 40112939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40113003.

It is not an unprimeable number, because it can be changed into a prime (40113053) 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, 32325 + ... + 33542.

It is an arithmetic number, because the mean of its divisors is an integer number (3952080).

Almost surely, 2^40113003 is an apocalyptic number.

40113003 is a deficient number, since it is larger than the sum of its proper divisors (23120277).

40113003 is a wasteful number, since it uses less digits than its factorization.

40113003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65906.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 40113003 is about 6333.4826912213. The cubic root of 40113003 is about 342.3169405547.

Adding to 40113003 its reverse (30031104), we get a palindrome (70144107).

The spelling of 40113003 in words is "forty million, one hundred thirteen thousand, three".