272321082045 has 24 divisors (see below), whose sum is σ = 475029738456. Its totient is φ = 144312824448.

The previous prime is 272321082029. The next prime is 272321082049. The reversal of 272321082045 is 540280123272.

272321082045 is a `hidden beast` number, since 272 + 321 + 0 + 8 + 20 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 71311429764 + 201009652281 = 267042^2 + 448341^2 .

It is not a de Polignac number, because 272321082045 - 2⁴ = 272321082029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272321082049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19265482 + ... + 19279611.

It is an arithmetic number, because the mean of its divisors is an integer number (19792905769).

Almost surely, 2^272321082045 is an apocalyptic number.

It is an amenable number.

272321082045 is a deficient number, since it is larger than the sum of its proper divisors (202708656411).

272321082045 is a wasteful number, since it uses less digits than its factorization.

272321082045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38545261 (or 38545258 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 272321082045 in words is "two hundred seventy-two billion, three hundred twenty-one million, eighty-two thousand, forty-five".