4005404342 has 8 divisors (see below), whose sum is σ = 6010543416. Its totient is φ = 2001889872.

The previous prime is 4005404309. The next prime is 4005404353. The reversal of 4005404342 is 2434045004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399968 + ... + 409859.

It is an arithmetic number, because the mean of its divisors is an integer number (751317927).

Almost surely, 2^4005404342 is an apocalyptic number.

4005404342 is a deficient number, since it is larger than the sum of its proper divisors (2005139074).

4005404342 is a wasteful number, since it uses less digits than its factorization.

4005404342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812302.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 4005404342 is about 63288.2638567373. The cubic root of 4005404342 is about 1588.1156350918.

Adding to 4005404342 its reverse (2434045004), we get a palindrome (6439449346).

The spelling of 4005404342 in words is "four billion, five million, four hundred four thousand, three hundred forty-two".