402442402 has 8 divisors (see below), whose sum is σ = 603749376. Its totient is φ = 201192612.

The previous prime is 402442393. The next prime is 402442421. The reversal of 402442402 is 204244204.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17023 + ... + 33085.

It is an arithmetic number, because the mean of its divisors is an integer number (75468672).

Almost surely, 2^402442402 is an apocalyptic number.

402442402 is a deficient number, since it is larger than the sum of its proper divisors (201306974).

402442402 is a wasteful number, since it uses less digits than its factorization.

402442402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28592.

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 402442402 is about 20060.9671252410. The cubic root of 402442402 is about 738.3029054049.

Adding to 402442402 its reverse (204244204), we get a palindrome (606686606).

It can be divided in two parts, 40 and 2442402, that added together give a palindrome (2442442).

The spelling of 402442402 in words is "four hundred two million, four hundred forty-two thousand, four hundred two".