27258204881720 has 16 divisors (see below), whose sum is σ = 61330960983960. Its totient is φ = 10903281952672.

The previous prime is 27258204881683. The next prime is 27258204881749. The reversal of 27258204881720 is 2718840285272.

It is a congruent number.

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, 340727560982 + ... + 340727561061.

Almost surely, 2^{27258204881720} is an apocalyptic number.

27258204881720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27258204881720 is an abundant number, since it is smaller than the sum of its proper divisors (34072756102240).

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

27258204881720 is a wasteful number, since it uses less digits than its factorization.

27258204881720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681455122054 (or 681455122050 counting only the distinct ones).

The product of its (nonzero) digits is 8028160, while the sum is 56.

The spelling of 27258204881720 in words is "twenty-seven trillion, two hundred fifty-eight billion, two hundred four million, eight hundred eighty-one thousand, seven hundred twenty".