27540894372 has 96 divisors (see below), whose sum is σ = 66806218752. Its totient is φ = 8825314176.

The previous prime is 27540894349. The next prime is 27540894413. The reversal of 27540894372 is 27349804572.

It is a super-2 number, since 2×27540894372² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7375818 + ... + 7379550.

It is an arithmetic number, because the mean of its divisors is an integer number (695898112).

Almost surely, 2^27540894372 is an apocalyptic number.

It is an amenable number.

27540894372 is an abundant number, since it is smaller than the sum of its proper divisors (39265324380).

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

27540894372 is a wasteful number, since it uses less digits than its factorization.

27540894372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4017 (or 4015 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 27540894372 in words is "twenty-seven billion, five hundred forty million, eight hundred ninety-four thousand, three hundred seventy-two".