40204404420 has 48 divisors (see below), whose sum is σ = 114967496448. Its totient is φ = 10493063680.

The previous prime is 40204404391. The next prime is 40204404431. The reversal of 40204404420 is 2440440204.

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, 7125621 + ... + 7131260.

It is an arithmetic number, because the mean of its divisors is an integer number (2395156176).

Almost surely, 2^40204404420 is an apocalyptic number.

It is an amenable number.

40204404420 is an abundant number, since it is smaller than the sum of its proper divisors (74763092028).

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

40204404420 is a wasteful number, since it uses less digits than its factorization.

40204404420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14256940 (or 14256938 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 40204404420 its reverse (2440440204), we get a palindrome (42644844624).

The spelling of 40204404420 in words is "forty billion, two hundred four million, four hundred four thousand, four hundred twenty".