27601842720 has 96 divisors (see below), whose sum is σ = 89943981120. Its totient is φ = 7106677760.

The previous prime is 27601842701. The next prime is 27601842721. The reversal of 27601842720 is 2724810672.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (27601842721) 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, 977526 + ... + 1005365.

It is an arithmetic number, because the mean of its divisors is an integer number (936916470).

Almost surely, 2^27601842720 is an apocalyptic number.

27601842720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27601842720 is an abundant number, since it is smaller than the sum of its proper divisors (62342138400).

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

27601842720 is a wasteful number, since it uses less digits than its factorization.

27601842720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982938 (or 1982930 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 39.

The spelling of 27601842720 in words is "twenty-seven billion, six hundred one million, eight hundred forty-two thousand, seven hundred twenty".