80280711140 has 144 divisors (see below), whose sum is σ = 199895859072. Its totient is φ = 26999207424.

The previous prime is 80280711127. The next prime is 80280711143. The reversal of 80280711140 is 4111708208.

It is a super-2 number, since 2×80280711140² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80280711097 and 80280711106.

It is not an unprimeable number, because it can be changed into a prime (80280711143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10796864 + ... + 10804296.

It is an arithmetic number, because the mean of its divisors is an integer number (1388165688).

Almost surely, 2^80280711140 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 80280711140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99947929536).

80280711140 is an abundant number, since it is smaller than the sum of its proper divisors (119615147932).

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

80280711140 is a wasteful number, since it uses less digits than its factorization.

80280711140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7666 (or 7657 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 32.

The spelling of 80280711140 in words is "eighty billion, two hundred eighty million, seven hundred eleven thousand, one hundred forty".