40011003 has 20 divisors (see below), whose sum is σ = 60001480. Its totient is φ = 26570592.

The previous prime is 40011001. The next prime is 40011019. The reversal of 40011003 is 30011004.

40011003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40011003 - 2¹ = 40011001 is a prime.

It is a super-2 number, since 2×40011003² = 3201760722132018, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40011001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24063 + ... + 25671.

It is an arithmetic number, because the mean of its divisors is an integer number (3000074).

Almost surely, 2^40011003 is an apocalyptic number.

40011003 is a deficient number, since it is larger than the sum of its proper divisors (19990477).

40011003 is a wasteful number, since it uses less digits than its factorization.

40011003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928 (or 1919 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 40011003 is about 6325.4251240529. The cubic root of 40011003 is about 342.0265445694.

Adding to 40011003 its reverse (30011004), we get a palindrome (70022007).

Subtracting from 40011003 its reverse (30011004), we obtain a palindrome (9999999).

The spelling of 40011003 in words is "forty million, eleven thousand, three".