80241725538 has 48 divisors (see below), whose sum is σ = 188007715896. Its totient is φ = 24587297280.

The previous prime is 80241725533. The next prime is 80241725549. The reversal of 80241725538 is 83552714208.

80241725538 is a `hidden beast` number, since 8 + 0 + 2 + 41 + 72 + 5 + 538 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 71095289769 + 9146435769 = 266637^2 + 95637^2 .

It is a junction number, because it is equal to n+sod(n) for n = 80241725493 and 80241725502.

It is not an unprimeable number, because it can be changed into a prime (80241725533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 655045 + ... + 767832.

Almost surely, 2^80241725538 is an apocalyptic number.

80241725538 is an abundant number, since it is smaller than the sum of its proper divisors (107765990358).

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

80241725538 is a wasteful number, since it uses less digits than its factorization.

80241725538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423139 (or 1423136 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 80241725538 in words is "eighty billion, two hundred forty-one million, seven hundred twenty-five thousand, five hundred thirty-eight".