80544061340 has 12 divisors (see below), whose sum is σ = 169142528856. Its totient is φ = 32217624528.

The previous prime is 80544061327. The next prime is 80544061361. The reversal of 80544061340 is 4316044508.

It is a self number, because there is not a number n which added to its sum of digits gives 80544061340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2013601514 + ... + 2013601553.

It is an arithmetic number, because the mean of its divisors is an integer number (14095210738).

Almost surely, 2^80544061340 is an apocalyptic number.

It is an amenable number.

80544061340 is an abundant number, since it is smaller than the sum of its proper divisors (88598467516).

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

80544061340 is a wasteful number, since it uses less digits than its factorization.

80544061340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4027203076 (or 4027203074 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 80544061340 in words is "eighty billion, five hundred forty-four million, sixty-one thousand, three hundred forty".