402202042 has 8 divisors (see below), whose sum is σ = 658148832. Its totient is φ = 182819100.

The previous prime is 402202033. The next prime is 402202057. The reversal of 402202042 is 240202204.

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

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 3 ways as a sum of consecutive naturals, for example, 9140934 + ... + 9140977.

It is an arithmetic number, because the mean of its divisors is an integer number (82268604).

Almost surely, 2^402202042 is an apocalyptic number.

402202042 is a deficient number, since it is larger than the sum of its proper divisors (255946790).

402202042 is a wasteful number, since it uses less digits than its factorization.

402202042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18281924.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 402202042 is about 20054.9754923809. The cubic root of 402202042 is about 738.1558915495.

Adding to 402202042 its reverse (240202204), we get a palindrome (642404246).

The spelling of 402202042 in words is "four hundred two million, two hundred two thousand, forty-two".