802581254336 has 56 divisors (see below), whose sum is σ = 1621227786240. Its totient is φ = 394136121600.

The previous prime is 802581254329. The next prime is 802581254389. The reversal of 802581254336 is 633452185208.

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, 550151 + ... + 1381241.

Almost surely, 2^802581254336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 802581254336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (810613893120).

802581254336 is an abundant number, since it is smaller than the sum of its proper divisors (818646531904).

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

802581254336 is a wasteful number, since it uses less digits than its factorization.

802581254336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831373 (or 831363 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 802581254336 in words is "eight hundred two billion, five hundred eighty-one million, two hundred fifty-four thousand, three hundred thirty-six".