80725821418140 has 48 divisors (see below), whose sum is σ = 237928736814720. Its totient is φ = 20393891726400.

The previous prime is 80725821418127. The next prime is 80725821418141. The reversal of 80725821418140 is 4181412852708.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80725821418141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35406060886 + ... + 35406063165.

It is an arithmetic number, because the mean of its divisors is an integer number (4956848683640).

Almost surely, 2^{80725821418140} is an apocalyptic number.

It is an amenable number.

80725821418140 is an abundant number, since it is smaller than the sum of its proper divisors (157202915396580).

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

80725821418140 is a wasteful number, since it uses less digits than its factorization.

80725821418140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70812124082 (or 70812124080 counting only the distinct ones).

The product of its (nonzero) digits is 1146880, while the sum is 51.

The spelling of 80725821418140 in words is "eighty trillion, seven hundred twenty-five billion, eight hundred twenty-one million, four hundred eighteen thousand, one hundred forty".