4042040555 has 32 divisors (see below), whose sum is σ = 5861818368. Its totient is φ = 2616825600.

The previous prime is 4042040551. The next prime is 4042040591. The reversal of 4042040555 is 5550402404.

It is not a de Polignac number, because 4042040555 - 2² = 4042040551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4042040551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 947 + ... + 89916.

It is an arithmetic number, because the mean of its divisors is an integer number (183181824).

Almost surely, 2^4042040555 is an apocalyptic number.

4042040555 is a deficient number, since it is larger than the sum of its proper divisors (1819777813).

4042040555 is a wasteful number, since it uses less digits than its factorization.

4042040555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90947.

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 4042040555 is about 63577.0442455451. The cubic root of 4042040555 is about 1592.9429501409.

Adding to 4042040555 its reverse (5550402404), we get a palindrome (9592442959).

The spelling of 4042040555 in words is "four billion, forty-two million, forty thousand, five hundred fifty-five".