807243323544 has 128 divisors (see below), whose sum is σ = 2563361164800. Its totient is φ = 230579395200.

The previous prime is 807243323539. The next prime is 807243323581. The reversal of 807243323544 is 445323342708.

807243323544 is a `hidden beast` number, since 8 + 0 + 72 + 4 + 3 + 32 + 3 + 544 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 807243323544.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5753394 + ... + 5892030.

It is an arithmetic number, because the mean of its divisors is an integer number (20026259100).

Almost surely, 2^807243323544 is an apocalyptic number.

807243323544 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 807243323544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1281680582400).

807243323544 is an abundant number, since it is smaller than the sum of its proper divisors (1756117841256).

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

807243323544 is a wasteful number, since it uses less digits than its factorization.

807243323544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142510 (or 142500 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 45.

The spelling of 807243323544 in words is "eight hundred seven billion, two hundred forty-three million, three hundred twenty-three thousand, five hundred forty-four".