276872085540 has 72 divisors (see below), whose sum is σ = 839889086400. Its totient is φ = 73828709184.

The previous prime is 276872085517. The next prime is 276872085547. The reversal of 276872085540 is 45580278672.

276872085540 is a `hidden beast` number, since 2 + 7 + 6 + 87 + 2 + 0 + 8 + 554 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (276872085547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5708311 + ... + 5756609.

It is an arithmetic number, because the mean of its divisors is an integer number (11665126200).

Almost surely, 2^276872085540 is an apocalyptic number.

276872085540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

276872085540 is an abundant number, since it is smaller than the sum of its proper divisors (563017000860).

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

276872085540 is a wasteful number, since it uses less digits than its factorization.

276872085540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80161 (or 80156 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 54.

The spelling of 276872085540 in words is "two hundred seventy-six billion, eight hundred seventy-two million, eighty-five thousand, five hundred forty".