800140821402 has 16 divisors (see below), whose sum is σ = 1723380230880. Its totient is φ = 246197175792.

The previous prime is 800140821377. The next prime is 800140821413. The reversal of 800140821402 is 204128041008.

It is a super-2 number, since 2×800140821402² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 800140821402.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5129107752 + ... + 5129107907.

It is an arithmetic number, because the mean of its divisors is an integer number (107711264430).

Almost surely, 2^800140821402 is an apocalyptic number.

800140821402 is an abundant number, since it is smaller than the sum of its proper divisors (923239409478).

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

800140821402 is a wasteful number, since it uses less digits than its factorization.

800140821402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10258215677.

The product of its (nonzero) digits is 4096, while the sum is 30.

The spelling of 800140821402 in words is "eight hundred billion, one hundred forty million, eight hundred twenty-one thousand, four hundred two".