402341402 has 4 divisors (see below), whose sum is σ = 603512106. Its totient is φ = 201170700.

The previous prime is 402341399. The next prime is 402341413. The reversal of 402341402 is 204143204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 376321201 + 26020201 = 19399^2 + 5101^2 .

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 as a sum of consecutive naturals, namely, 100585349 + ... + 100585352.

Almost surely, 2^402341402 is an apocalyptic number.

402341402 is a deficient number, since it is larger than the sum of its proper divisors (201170704).

402341402 is a wasteful number, since it uses less digits than its factorization.

402341402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201170703.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 402341402 is about 20058.4496409867. The cubic root of 402341402 is about 738.2411368702.

Adding to 402341402 its reverse (204143204), we get a palindrome (606484606).

The spelling of 402341402 in words is "four hundred two million, three hundred forty-one thousand, four hundred two".