402341442 has 16 divisors (see below), whose sum is σ = 804883392. Its totient is φ = 134080400.

The previous prime is 402341437. The next prime is 402341449. The reversal of 402341442 is 244143204.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (402341449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35203 + ... + 45209.

It is an arithmetic number, because the mean of its divisors is an integer number (50305212).

Almost surely, 2^402341442 is an apocalyptic number.

402341442 is an abundant number, since it is smaller than the sum of its proper divisors (402541950).

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

402341442 is a wasteful number, since it uses less digits than its factorization.

402341442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16713.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 402341442 is about 20058.4506380727. The cubic root of 402341442 is about 738.2411613350.

Adding to 402341442 its reverse (244143204), we get a palindrome (646484646).

The spelling of 402341442 in words is "four hundred two million, three hundred forty-one thousand, four hundred forty-two".