274542939648 has 280 divisors, whose sum is σ = 831036685248. Its totient is φ = 90558922752.

The previous prime is 274542939641. The next prime is 274542939683. The reversal of 274542939648 is 846939245472.

274542939648 is a `hidden beast` number, since 2 + 7 + 454 + 2 + 93 + 96 + 4 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274542939641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 36201265 + ... + 36208847.

Almost surely, 2^274542939648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274542939648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415518342624).

274542939648 is an abundant number, since it is smaller than the sum of its proper divisors (556493745600).

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

274542939648 is an frugal number, since it uses more digits than its factorization.

274542939648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7716 (or 7685 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 63.

The spelling of 274542939648 in words is "two hundred seventy-four billion, five hundred forty-two million, nine hundred thirty-nine thousand, six hundred forty-eight".