40404103 has 4 divisors (see below), whose sum is σ = 40694920. Its totient is φ = 40113288.

The previous prime is 40404101. The next prime is 40404139. The reversal of 40404103 is 30140404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40404103 - 2¹ = 40404101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40404101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145200 + ... + 145477.

It is an arithmetic number, because the mean of its divisors is an integer number (10173730).

Almost surely, 2^40404103 is an apocalyptic number.

40404103 is a deficient number, since it is larger than the sum of its proper divisors (290817).

40404103 is a wasteful number, since it uses less digits than its factorization.

40404103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290816.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 40404103 is about 6356.4221854751. The cubic root of 40404103 is about 343.1430100046.

Adding to 40404103 its reverse (30140404), we get a palindrome (70544507).

The spelling of 40404103 in words is "forty million, four hundred four thousand, one hundred three".