80380882505540 has 12 divisors (see below), whose sum is σ = 168799853261676. Its totient is φ = 32152353002208.

The previous prime is 80380882505461. The next prime is 80380882505551. The reversal of 80380882505540 is 4550528808308.

It can be written as a sum of positive squares in 2 ways, for example, as 43412707124224 + 36968175381316 = 6588832^2 + 6080146^2 .

It is a super-2 number, since 2×80380882505540² (a number of 29 digits) contains 22 as substring.

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, 2009522062619 + ... + 2009522062658.

It is an arithmetic number, because the mean of its divisors is an integer number (14066654438473).

Almost surely, 2^{80380882505540} is an apocalyptic number.

It is an amenable number.

80380882505540 is an abundant number, since it is smaller than the sum of its proper divisors (88418970756136).

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

80380882505540 is a wasteful number, since it uses less digits than its factorization.

80380882505540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4019044125286 (or 4019044125284 counting only the distinct ones).

The product of its (nonzero) digits is 12288000, while the sum is 56.

The spelling of 80380882505540 in words is "eighty trillion, three hundred eighty billion, eight hundred eighty-two million, five hundred five thousand, five hundred forty".