40040002002404 has 6 divisors (see below), whose sum is σ = 70070003504214. Its totient is φ = 20020001001200.

The previous prime is 40040002002383. The next prime is 40040002002419. The reversal of 40040002002404 is 40420020004004.

It can be written as a sum of positive squares in only one way, i.e., 39828216121600 + 211785880804 = 6310960^2 + 460202^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005000250297 + ... + 5005000250304.

It is an arithmetic number, because the mean of its divisors is an integer number (11678333917369).

Almost surely, 2^{40040002002404} is an apocalyptic number.

It is an amenable number.

40040002002404 is a deficient number, since it is larger than the sum of its proper divisors (30030001501810).

40040002002404 is a wasteful number, since it uses less digits than its factorization.

40040002002404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010000500605 (or 10010000500603 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 40040002002404 its reverse (40420020004004), we get a palindrome (80460022006408).

The spelling of 40040002002404 in words is "forty trillion, forty billion, two million, two thousand, four hundred four".