4004013442 has 32 divisors (see below), whose sum is σ = 7073075520. Its totient is φ = 1675945920.

The previous prime is 4004013439. The next prime is 4004013467. The reversal of 4004013442 is 2443104004.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103128 + ... + 136540.

It is an arithmetic number, because the mean of its divisors is an integer number (221033610).

Almost surely, 2^4004013442 is an apocalyptic number.

4004013442 is a deficient number, since it is larger than the sum of its proper divisors (3069062078).

4004013442 is a wasteful number, since it uses less digits than its factorization.

4004013442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33858.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 4004013442 is about 63277.2742933828. The cubic root of 4004013442 is about 1587.9317863395.

Adding to 4004013442 its reverse (2443104004), we get a palindrome (6447117446).

The spelling of 4004013442 in words is "four billion, four million, thirteen thousand, four hundred forty-two".