4020442011 has 12 divisors (see below), whose sum is σ = 5813051088. Its totient is φ = 2677642704.

The previous prime is 4020441991. The next prime is 4020442031. The reversal of 4020442011 is 1102440204.

4020442011 is a `hidden beast` number, since 40 + 204 + 420 + 1 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (4020441991) and next prime (4020442031).

It is not a de Polignac number, because 4020442011 - 2¹¹ = 4020439963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4020442031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211375 + ... + 229608.

It is an arithmetic number, because the mean of its divisors is an integer number (484420924).

Almost surely, 2^4020442011 is an apocalyptic number.

4020442011 is a deficient number, since it is larger than the sum of its proper divisors (1792609077).

4020442011 is a wasteful number, since it uses less digits than its factorization.

4020442011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442002 (or 441999 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 4020442011 is about 63406.9555411707. The cubic root of 4020442011 is about 1590.1005976461.

Adding to 4020442011 its reverse (1102440204), we get a palindrome (5122882215).

It can be divided in two parts, 40204 and 42011, that added together give a triangular number (82215 = T₄₀₅).

The spelling of 4020442011 in words is "four billion, twenty million, four hundred forty-two thousand, eleven".