40002404403 has 32 divisors (see below), whose sum is σ = 57907584000. Its totient is φ = 24417017856.

The previous prime is 40002404401. The next prime is 40002404423. The reversal of 40002404403 is 30440420004.

It is not a de Polignac number, because 40002404403 - 2¹ = 40002404401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40002404403.

It is not an unprimeable number, because it can be changed into a prime (40002404401) 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, 2387148 + ... + 2403846.

It is an arithmetic number, because the mean of its divisors is an integer number (1809612000).

Almost surely, 2^40002404403 is an apocalyptic number.

40002404403 is a deficient number, since it is larger than the sum of its proper divisors (17905179597).

40002404403 is a wasteful number, since it uses less digits than its factorization.

40002404403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17211.

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 40002404403 its reverse (30440420004), we get a palindrome (70442824407).

The spelling of 40002404403 in words is "forty billion, two million, four hundred four thousand, four hundred three".