4020888849 has 16 divisors (see below), whose sum is σ = 5520833472. Its totient is φ = 2601563328.

The previous prime is 4020888811. The next prime is 4020888887. The reversal of 4020888849 is 9488880204.

It is an interprime number because it is at equal distance from previous prime (4020888811) and next prime (4020888887).

It is not a de Polignac number, because 4020888849 - 2⁷ = 4020888721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4020888049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79014 + ... + 119519.

It is an arithmetic number, because the mean of its divisors is an integer number (345052092).

Almost surely, 2^4020888849 is an apocalyptic number.

It is an amenable number.

4020888849 is a deficient number, since it is larger than the sum of its proper divisors (1499944623).

4020888849 is a wasteful number, since it uses less digits than its factorization.

4020888849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198736.

The product of its (nonzero) digits is 1179648, while the sum is 51.

The square root of 4020888849 is about 63410.4790156958. The cubic root of 4020888849 is about 1590.1595041915.

The spelling of 4020888849 in words is "four billion, twenty million, eight hundred eighty-eight thousand, eight hundred forty-nine".