274979097795556 has 288 divisors, whose sum is σ = 647472075708416. Its totient is φ = 99836524339200.

The previous prime is 274979097795527. The next prime is 274979097795601. The reversal of 274979097795556 is 655597790979472.

It is a super-2 number, since 2×274979097795556² (a number of 30 digits) contains 22 as substring.

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 95 ways as a sum of consecutive naturals, for example, 376580746 + ... + 377310238.

Almost surely, 2^{274979097795556} 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 274979097795556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323736037854208).

274979097795556 is an abundant number, since it is smaller than the sum of its proper divisors (372492977912860).

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

274979097795556 is a wasteful number, since it uses less digits than its factorization.

274979097795556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729691 (or 729678 counting only the distinct ones).

The product of its (nonzero) digits is 94517766000, while the sum is 91.

The spelling of 274979097795556 in words is "two hundred seventy-four trillion, nine hundred seventy-nine billion, ninety-seven million, seven hundred ninety-five thousand, five hundred fifty-six".