40010503 has 16 divisors (see below), whose sum is σ = 45904320. Its totient is φ = 34546176.

The previous prime is 40010483. The next prime is 40010533. The reversal of 40010503 is 30501004.

It is not a de Polignac number, because 40010503 - 2⁵ = 40010471 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40010533) 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, 43078 + ... + 43996.

It is an arithmetic number, because the mean of its divisors is an integer number (2869020).

Almost surely, 2^40010503 is an apocalyptic number.

40010503 is a deficient number, since it is larger than the sum of its proper divisors (5893817).

40010503 is a wasteful number, since it uses less digits than its factorization.

40010503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 40010503 is about 6325.3856008942. The cubic root of 40010503 is about 342.0251198448.

Adding to 40010503 its reverse (30501004), we get a palindrome (70511507).

The spelling of 40010503 in words is "forty million, ten thousand, five hundred three".