27554744344540 has 48 divisors (see below), whose sum is σ = 66225725302464. Its totient is φ = 9433863936000.

The previous prime is 27554744344529. The next prime is 27554744344597. The reversal of 27554744344540 is 4544344745572.

It is a super-2 number, since 2×27554744344540² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140286741 + ... + 140483020.

It is an arithmetic number, because the mean of its divisors is an integer number (1379702610468).

Almost surely, 2^{27554744344540} is an apocalyptic number.

27554744344540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27554744344540 is an abundant number, since it is smaller than the sum of its proper divisors (38670980957924).

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

27554744344540 is a wasteful number, since it uses less digits than its factorization.

27554744344540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280770478 (or 280770476 counting only the distinct ones).

The product of its (nonzero) digits is 150528000, while the sum is 58.

The spelling of 27554744344540 in words is "twenty-seven trillion, five hundred fifty-four billion, seven hundred forty-four million, three hundred forty-four thousand, five hundred forty".