402142002 has 8 divisors (see below), whose sum is σ = 804284016. Its totient is φ = 134047332.

The previous prime is 402142001. The next prime is 402142003. The reversal of 402142002 is 200241204.

It is an interprime number because it is at equal distance from previous prime (402142001) and next prime (402142003).

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

402142002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (402142001) 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, 33511828 + ... + 33511839.

It is an arithmetic number, because the mean of its divisors is an integer number (100535502).

Almost surely, 2^402142002 is an apocalyptic number.

402142002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402142002 is a wasteful number, since it uses less digits than its factorization.

402142002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67023672.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 402142002 is about 20053.4785511143. The cubic root of 402142002 is about 738.1191595255.

Adding to 402142002 its reverse (200241204), we get a palindrome (602383206).

The spelling of 402142002 in words is "four hundred two million, one hundred forty-two thousand, two".