27366940520 has 16 divisors (see below), whose sum is σ = 61575616260. Its totient is φ = 10946776192.

The previous prime is 27366940519. The next prime is 27366940537. The reversal of 27366940520 is 2504966372.

It can be written as a sum of positive squares in 2 ways, for example, as 26594434084 + 772506436 = 163078^2 + 27794^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342086717 + ... + 342086796.

Almost surely, 2^27366940520 is an apocalyptic number.

27366940520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27366940520 is an abundant number, since it is smaller than the sum of its proper divisors (34208675740).

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

27366940520 is a wasteful number, since it uses less digits than its factorization.

27366940520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684173524 (or 684173520 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 27366940520 in words is "twenty-seven billion, three hundred sixty-six million, nine hundred forty thousand, five hundred twenty".