4004014020 has 48 divisors (see below), whose sum is σ = 11801307840. Its totient is φ = 1011540096.

The previous prime is 4004014019. The next prime is 4004014051. The reversal of 4004014020 is 204104004.

It is a Harshad number since it is a multiple of its sum of digits (15).

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 15 ways as a sum of consecutive naturals, for example, 1755007 + ... + 1757286.

It is an arithmetic number, because the mean of its divisors is an integer number (245860580).

Almost surely, 2^4004014020 is an apocalyptic number.

It is an amenable number.

4004014020 is an abundant number, since it is smaller than the sum of its proper divisors (7797293820).

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

4004014020 is a wasteful number, since it uses less digits than its factorization.

4004014020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3512324 (or 3512322 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 4004014020 is about 63277.2788605831. The cubic root of 4004014020 is about 1587.9318627482.

Adding to 4004014020 its reverse (204104004), we get a palindrome (4208118024).

The spelling of 4004014020 in words is "four billion, four million, fourteen thousand, twenty".