40200004404 has 48 divisors (see below), whose sum is σ = 119111126400. Its totient is φ = 11485715328.

The previous prime is 40200004387. The next prime is 40200004423. The reversal of 40200004404 is 40440000204.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26586549 + ... + 26588060.

It is an arithmetic number, because the mean of its divisors is an integer number (2481481800).

Almost surely, 2^40200004404 is an apocalyptic number.

It is an amenable number.

40200004404 is an abundant number, since it is smaller than the sum of its proper divisors (78911121996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40200004404 is a wasteful number, since it uses less digits than its factorization.

40200004404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53174629 (or 53174621 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 40200004404 its reverse (40440000204), we get a palindrome (80640004608).

The spelling of 40200004404 in words is "forty billion, two hundred million, four thousand, four hundred four".