27427544217740 has 48 divisors (see below), whose sum is σ = 58185077055840. Its totient is φ = 10859226892800.

The previous prime is 27427544217739. The next prime is 27427544217743. The reversal of 27427544217740 is 4771244572472.

It is not an unprimeable number, because it can be changed into a prime (27427544217743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4957091 + ... + 8912229.

It is an arithmetic number, because the mean of its divisors is an integer number (1212189105330).

Almost surely, 2^{27427544217740} is an apocalyptic number.

27427544217740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27427544217740 is an abundant number, since it is smaller than the sum of its proper divisors (30757532838100).

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

27427544217740 is a wasteful number, since it uses less digits than its factorization.

27427544217740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3958682 (or 3958680 counting only the distinct ones).

The product of its (nonzero) digits is 24586240, while the sum is 56.

The spelling of 27427544217740 in words is "twenty-seven trillion, four hundred twenty-seven billion, five hundred forty-four million, two hundred seventeen thousand, seven hundred forty".