27318770240 has 56 divisors (see below), whose sum is σ = 67296045240. Its totient is φ = 10550693888.

The previous prime is 27318770239. The next prime is 27318770249. The reversal of 27318770240 is 4207781372.

It can be written as a sum of positive squares in 4 ways, for example, as 9521075776 + 17797694464 = 97576^2 + 133408^2 .

It is not an unprimeable number, because it can be changed into a prime (27318770249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1462637 + ... + 1481196.

Almost surely, 2^27318770240 is an apocalyptic number.

27318770240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27318770240 is an abundant number, since it is smaller than the sum of its proper divisors (39977275000).

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

27318770240 is a wasteful number, since it uses less digits than its factorization.

27318770240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2943879 (or 2943869 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 41.

The spelling of 27318770240 in words is "twenty-seven billion, three hundred eighteen million, seven hundred seventy thousand, two hundred forty".