40405422204 has 144 divisors (see below), whose sum is σ = 118062427392. Its totient is φ = 11412850176.

The previous prime is 40405422199. The next prime is 40405422241. The reversal of 40405422204 is 40222450404.

40405422204 is a `hidden beast` number, since 404 + 0 + 54 + 2 + 2 + 204 = 666.

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 47 ways as a sum of consecutive naturals, for example, 12613267 + ... + 12616469.

It is an arithmetic number, because the mean of its divisors is an integer number (819877968).

Almost surely, 2^40405422204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40405422204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59031213696).

40405422204 is an abundant number, since it is smaller than the sum of its proper divisors (77657005188).

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

40405422204 is a wasteful number, since it uses less digits than its factorization.

40405422204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3776 (or 3771 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

Adding to 40405422204 its reverse (40222450404), we get a palindrome (80627872608).

It can be divided in two parts, 4040542 and 2204, that added together give a triangular number (4042746 = T₂₈₄₃).

The spelling of 40405422204 in words is "forty billion, four hundred five million, four hundred twenty-two thousand, two hundred four".