802543078400 has 528 divisors, whose sum is σ = 2380216227840. Its totient is φ = 262501171200.

The previous prime is 802543078397. The next prime is 802543078411. The reversal of 802543078400 is 4870345208.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 405528611 + ... + 405530589.

It is an arithmetic number, because the mean of its divisors is an integer number (4507985280).

Almost surely, 2^802543078400 is an apocalyptic number.

802543078400 is a gapful number since it is divisible by the number (80) 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 802543078400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1190108113920).

802543078400 is an abundant number, since it is smaller than the sum of its proper divisors (1577673149440).

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

802543078400 is a wasteful number, since it uses less digits than its factorization.

802543078400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120 (or 2097 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 41.

The spelling of 802543078400 in words is "eight hundred two billion, five hundred forty-three million, seventy-eight thousand, four hundred".