864836423200 has 36 divisors (see below), whose sum is σ = 2111281920090. Its totient is φ = 345934568960.

The previous prime is 864836423149. The next prime is 864836423201. The reversal of 864836423200 is 2324638468.

It can be written as a sum of positive squares in 3 ways, for example, as 663188724496 + 201647698704 = 814364^2 + 449052^2 .

It is not an unprimeable number, because it can be changed into a prime (864836423201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 540521965 + ... + 540523564.

Almost surely, 2^864836423200 is an apocalyptic number.

864836423200 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

864836423200 is an abundant number, since it is smaller than the sum of its proper divisors (1246445496890).

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

864836423200 is a wasteful number, since it uses less digits than its factorization.

864836423200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081045549 (or 1081045536 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 46.

The spelling of 864836423200 in words is "eight hundred sixty-four billion, eight hundred thirty-six million, four hundred twenty-three thousand, two hundred".