818402262 has 8 divisors (see below), whose sum is σ = 1636804536. Its totient is φ = 272800752.

The previous prime is 818402251. The next prime is 818402269. The reversal of 818402262 is 262204818.

It is a happy number.

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

818402262 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818402269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68200183 + ... + 68200194.

It is an arithmetic number, because the mean of its divisors is an integer number (204600567).

Almost surely, 2^818402262 is an apocalyptic number.

818402262 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

818402262 is a wasteful number, since it uses less digits than its factorization.

818402262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136400382.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 818402262 is about 28607.7308082973. The cubic root of 818402262 is about 935.3818536194.

The spelling of 818402262 in words is "eight hundred eighteen million, four hundred two thousand, two hundred sixty-two".