27542657740 has 48 divisors (see below), whose sum is σ = 63808043040. Its totient is φ = 9921553920.

The previous prime is 27542657717. The next prime is 27542657743. The reversal of 27542657740 is 4775624572.

It is not an unprimeable number, because it can be changed into a prime (27542657743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1281210 + ... + 1302529.

It is an arithmetic number, because the mean of its divisors is an integer number (1329334230).

Almost surely, 2^27542657740 is an apocalyptic number.

27542657740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27542657740 is an abundant number, since it is smaller than the sum of its proper divisors (36265385300).

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

27542657740 is a wasteful number, since it uses less digits than its factorization.

27542657740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583802 (or 2583800 counting only the distinct ones).

The product of its (nonzero) digits is 3292800, while the sum is 49.

The spelling of 27542657740 in words is "twenty-seven billion, five hundred forty-two million, six hundred fifty-seven thousand, seven hundred forty".