4042220455 has 48 divisors (see below), whose sum is σ = 6396576480. Its totient is φ = 2423893248.

The previous prime is 4042220447. The next prime is 4042220489. The reversal of 4042220455 is 5540222404.

It is not a de Polignac number, because 4042220455 - 2³ = 4042220447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27117 + ... + 93913.

It is an arithmetic number, because the mean of its divisors is an integer number (133262010).

Almost surely, 2^4042220455 is an apocalyptic number.

4042220455 is a deficient number, since it is larger than the sum of its proper divisors (2354356025).

4042220455 is a wasteful number, since it uses less digits than its factorization.

4042220455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66848 (or 66841 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 4042220455 is about 63578.4590486432. The cubic root of 4042220455 is about 1592.9665822793.

Adding to 4042220455 its reverse (5540222404), we get a palindrome (9582442859).

The spelling of 4042220455 in words is "four billion, forty-two million, two hundred twenty thousand, four hundred fifty-five".