402334142 has 16 divisors (see below), whose sum is σ = 691498080. Its totient is φ = 171983328.

The previous prime is 402334133. The next prime is 402334243. The reversal of 402334142 is 241433204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31493 + ... + 42384.

It is an arithmetic number, because the mean of its divisors is an integer number (43218630).

Almost surely, 2^402334142 is an apocalyptic number.

402334142 is a deficient number, since it is larger than the sum of its proper divisors (289163938).

402334142 is a wasteful number, since it uses less digits than its factorization.

402334142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74275.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 402334142 is about 20058.2686690552. The cubic root of 402334142 is about 738.2366964763.

Adding to 402334142 its reverse (241433204), we get a palindrome (643767346).

The spelling of 402334142 in words is "four hundred two million, three hundred thirty-four thousand, one hundred forty-two".