4002240142 has 8 divisors (see below), whose sum is σ = 6319326600. Its totient is φ = 1895797944.

The previous prime is 4002240139. The next prime is 4002240173. The reversal of 4002240142 is 2410422004.

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

It is a Harshad number since it is a multiple of its sum of digits (19).

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, 52661017 + ... + 52661092.

It is an arithmetic number, because the mean of its divisors is an integer number (789915825).

Almost surely, 2^4002240142 is an apocalyptic number.

4002240142 is a deficient number, since it is larger than the sum of its proper divisors (2317086458).

4002240142 is a wasteful number, since it uses less digits than its factorization.

4002240142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105322130.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 4002240142 is about 63263.2606020271. The cubic root of 4002240142 is about 1587.6973303136.

Adding to 4002240142 its reverse (2410422004), we get a palindrome (6412662146).

The spelling of 4002240142 in words is "four billion, two million, two hundred forty thousand, one hundred forty-two".