27742143552 has 56 divisors (see below), whose sum is σ = 73426905216. Its totient is φ = 9244128768.

The previous prime is 27742143509. The next prime is 27742143553. The reversal of 27742143552 is 25534124772.

It is not an unprimeable number, because it can be changed into a prime (27742143553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556518 + ... + 604314.

It is an arithmetic number, because the mean of its divisors is an integer number (1311194736).

Almost surely, 2^27742143552 is an apocalyptic number.

It is an amenable number.

27742143552 is an abundant number, since it is smaller than the sum of its proper divisors (45684761664).

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

27742143552 is a wasteful number, since it uses less digits than its factorization.

27742143552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50835 (or 50825 counting only the distinct ones).

The product of its digits is 470400, while the sum is 42.

The spelling of 27742143552 in words is "twenty-seven billion, seven hundred forty-two million, one hundred forty-three thousand, five hundred fifty-two".