40140003 has 8 divisors (see below), whose sum is σ = 53905600. Its totient is φ = 26567208.

The previous prime is 40139993. The next prime is 40140011. The reversal of 40140003 is 30004104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40140003 - 2⁵ = 40139971 is a prime.

It is a super-2 number, since 2×40140003² = 3222439681680018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40140053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47713 + ... + 48546.

It is an arithmetic number, because the mean of its divisors is an integer number (6738200).

Almost surely, 2^40140003 is an apocalyptic number.

40140003 is a deficient number, since it is larger than the sum of its proper divisors (13765597).

40140003 is a wasteful number, since it uses less digits than its factorization.

40140003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96401.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 40140003 is about 6335.6138613397. The cubic root of 40140003 is about 342.3937276625.

Adding to 40140003 its reverse (30004104), we get a palindrome (70144107).

It can be divided in two parts, 401 and 40003, that added together give a palindrome (40404).

The spelling of 40140003 in words is "forty million, one hundred forty thousand, three".