40004144103 has 32 divisors (see below), whose sum is σ = 66560785920. Its totient is φ = 20762501760.

The previous prime is 40004144051. The next prime is 40004144113. The reversal of 40004144103 is 30144140004.

It is not a de Polignac number, because 40004144103 - 2⁶ = 40004144039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 40004144103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40004144113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178101 + ... + 334257.

It is an arithmetic number, because the mean of its divisors is an integer number (2080024560).

Almost surely, 2^40004144103 is an apocalyptic number.

40004144103 is a deficient number, since it is larger than the sum of its proper divisors (26556641817).

40004144103 is a wasteful number, since it uses less digits than its factorization.

40004144103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157287.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 40004144103 its reverse (30144140004), we get a palindrome (70148284107).

The spelling of 40004144103 in words is "forty billion, four million, one hundred forty-four thousand, one hundred three".