4021444342 has 8 divisors (see below), whose sum is σ = 6041406096. Its totient is φ = 2007642312.

The previous prime is 4021444321. The next prime is 4021444379. The reversal of 4021444342 is 2434441204.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4021444342.

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, 1538298 + ... + 1540909.

It is an arithmetic number, because the mean of its divisors is an integer number (755175762).

Almost surely, 2^4021444342 is an apocalyptic number.

4021444342 is a deficient number, since it is larger than the sum of its proper divisors (2019961754).

4021444342 is a wasteful number, since it uses less digits than its factorization.

4021444342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3079862.

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 4021444342 is about 63414.8590000798. The cubic root of 4021444342 is about 1590.2327286146.

Adding to 4021444342 its reverse (2434441204), we get a palindrome (6455885546).

The spelling of 4021444342 in words is "four billion, twenty-one million, four hundred forty-four thousand, three hundred forty-two".