80400402303680 has 112 divisors (see below), whose sum is σ = 195960660639744. Its totient is φ = 31403463920640.

The previous prime is 80400402303677. The next prime is 80400402303701. The reversal of 80400402303680 is 8630320400408.

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 15 ways as a sum of consecutive naturals, for example, 48486695 + ... + 50117465.

It is an arithmetic number, because the mean of its divisors is an integer number (1749648755712).

Almost surely, 2^{80400402303680} is an apocalyptic number.

80400402303680 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 80400402303680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97980330319872).

80400402303680 is an abundant number, since it is smaller than the sum of its proper divisors (115560258336064).

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

80400402303680 is a wasteful number, since it uses less digits than its factorization.

80400402303680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634414 (or 1634404 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 38.

The spelling of 80400402303680 in words is "eighty trillion, four hundred billion, four hundred two million, three hundred three thousand, six hundred eighty".