272880533394 has 192 divisors, whose sum is σ = 753034254336. Its totient is φ = 72283394304.

The previous prime is 272880533389. The next prime is 272880533423. The reversal of 272880533394 is 493335088272.

272880533394 is a `hidden beast` number, since 2 + 7 + 28 + 80 + 533 + 3 + 9 + 4 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 272880533394.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3839667 + ... + 3910089.

It is an arithmetic number, because the mean of its divisors is an integer number (3922053408).

Almost surely, 2^272880533394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272880533394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376517127168).

272880533394 is an abundant number, since it is smaller than the sum of its proper divisors (480153720942).

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

272880533394 is a wasteful number, since it uses less digits than its factorization.

272880533394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70531 (or 70519 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 272880533394 in words is "two hundred seventy-two billion, eight hundred eighty million, five hundred thirty-three thousand, three hundred ninety-four".