272081998881 has 36 divisors (see below), whose sum is σ = 493695174336. Its totient is φ = 141341294160.

The previous prime is 272081998861. The next prime is 272081998889. The reversal of 272081998881 is 188899180272.

It is not a de Polignac number, because 272081998881 - 2⁶ = 272081998817 is a prime.

It is a super-2 number, since 2×272081998881² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (272081998889) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17838501 + ... + 17853746.

Almost surely, 2^272081998881 is an apocalyptic number.

272081998881 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

272081998881 is a deficient number, since it is larger than the sum of its proper divisors (221613175455).

272081998881 is a wasteful number, since it uses less digits than its factorization.

272081998881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35692282 (or 35692268 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 63.

The spelling of 272081998881 in words is "two hundred seventy-two billion, eighty-one million, nine hundred ninety-eight thousand, eight hundred eighty-one".