27061253280 has 96 divisors (see below), whose sum is σ = 94714401600. Its totient is φ = 7216333056.

The previous prime is 27061253279. The next prime is 27061253353. The reversal of 27061253280 is 8235216072.

27061253280 is a `hidden beast` number, since 2 + 7 + 0 + 612 + 5 + 32 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×27061253280² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3127770 + ... + 3136409.

It is an arithmetic number, because the mean of its divisors is an integer number (986608350).

Almost surely, 2^27061253280 is an apocalyptic number.

27061253280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27061253280 is an abundant number, since it is smaller than the sum of its proper divisors (67653148320).

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

27061253280 is a wasteful number, since it uses less digits than its factorization.

27061253280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6264203 (or 6264189 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 27061253280 in words is "twenty-seven billion, sixty-one million, two hundred fifty-three thousand, two hundred eighty".