27936507840 has 112 divisors (see below), whose sum is σ = 90861916320. Its totient is φ = 7268024320.

The previous prime is 27936507803. The next prime is 27936507923. The reversal of 27936507840 is 4870563972.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315525 + ... + 394244.

It is an arithmetic number, because the mean of its divisors is an integer number (811267110).

Almost surely, 2^27936507840 is an apocalyptic number.

27936507840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27936507840 is an abundant number, since it is smaller than the sum of its proper divisors (62925408480).

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

27936507840 is a wasteful number, since it uses less digits than its factorization.

27936507840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709830 (or 709820 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 27936507840 in words is "twenty-seven billion, nine hundred thirty-six million, five hundred seven thousand, eight hundred forty".