27275653148920 has 64 divisors (see below), whose sum is σ = 67121437125600. Its totient is φ = 9892922042880.

The previous prime is 27275653148917. The next prime is 27275653148929. The reversal of 27275653148920 is 2984135657272.

It is a happy number.

It is a super-2 number, since 2×27275653148920² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27275653148929) 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, 79507659 + ... + 79849978.

It is a 2-persistent number, because it is pandigital, and so is 2⋅27275653148920 = 54551306297840, but 3⋅27275653148920 = 81826959446760 is not.

Almost surely, 2^{27275653148920} is an apocalyptic number.

27275653148920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27275653148920 is an abundant number, since it is smaller than the sum of its proper divisors (39845783976680).

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

27275653148920 is a wasteful number, since it uses less digits than its factorization.

27275653148920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159358048 (or 159358044 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 61.

The spelling of 27275653148920 in words is "twenty-seven trillion, two hundred seventy-five billion, six hundred fifty-three million, one hundred forty-eight thousand, nine hundred twenty".