274338433656 has 192 divisors, whose sum is σ = 888895756800. Its totient is φ = 78167726784.

The previous prime is 274338433643. The next prime is 274338433661. The reversal of 274338433656 is 656334833472.

274338433656 is a `hidden beast` number, since 274 + 3 + 3 + 8 + 4 + 3 + 365 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3849015 + ... + 3919641.

It is an arithmetic number, because the mean of its divisors is an integer number (4629665400).

Almost surely, 2^274338433656 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 274338433656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (444447878400).

274338433656 is an abundant number, since it is smaller than the sum of its proper divisors (614557323144).

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

274338433656 is a wasteful number, since it uses less digits than its factorization.

274338433656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71023 (or 71006 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 54.

The spelling of 274338433656 in words is "two hundred seventy-four billion, three hundred thirty-eight million, four hundred thirty-three thousand, six hundred fifty-six".