818002470 has 32 divisors (see below), whose sum is σ = 1964682720. Its totient is φ = 217969920.

The previous prime is 818002457. The next prime is 818002489. The reversal of 818002470 is 74200818.

It is a super-2 number, since 2×818002470² = 1338256081852201800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33330 + ... + 52410.

It is an arithmetic number, because the mean of its divisors is an integer number (61396335).

Almost surely, 2^818002470 is an apocalyptic number.

818002470 is an abundant number, since it is smaller than the sum of its proper divisors (1146680250).

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

818002470 is a wasteful number, since it uses less digits than its factorization.

818002470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20520.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 818002470 is about 28600.7424728800. The cubic root of 818002470 is about 935.2295165152.

The spelling of 818002470 in words is "eight hundred eighteen million, two thousand, four hundred seventy".