27340257620 has 48 divisors (see below), whose sum is σ = 62443292688. Its totient is φ = 9994905600.

The previous prime is 27340257617. The next prime is 27340257631. The reversal of 27340257620 is 2675204372.

It can be written as a sum of positive squares in 8 ways, for example, as 3437242384 + 23903015236 = 58628^2 + 154606^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 494309 + ... + 546828.

It is an arithmetic number, because the mean of its divisors is an integer number (1300901931).

Almost surely, 2^27340257620 is an apocalyptic number.

27340257620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27340257620 is an abundant number, since it is smaller than the sum of its proper divisors (35103035068).

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

27340257620 is a wasteful number, since it uses less digits than its factorization.

27340257620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041260 (or 1041258 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 38.

The spelling of 27340257620 in words is "twenty-seven billion, three hundred forty million, two hundred fifty-seven thousand, six hundred twenty".