402002110442 has 8 divisors (see below), whose sum is σ = 603006465600. Its totient is φ = 200999955244.

The previous prime is 402002110441. The next prime is 402002110457. The reversal of 402002110442 is 244011200204.

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

It is not an unprimeable number, because it can be changed into a prime (402002110441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28559 + ... + 897117.

It is an arithmetic number, because the mean of its divisors is an integer number (75375808200).

Almost surely, 2^402002110442 is an apocalyptic number.

402002110442 is a deficient number, since it is larger than the sum of its proper divisors (201004355158).

402002110442 is a wasteful number, since it uses less digits than its factorization.

402002110442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099980.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 402002110442 its reverse (244011200204), we get a palindrome (646013310646).

The spelling of 402002110442 in words is "four hundred two billion, two million, one hundred ten thousand, four hundred forty-two".