272423853522 has 54 divisors (see below), whose sum is σ = 604508986341. Its totient is φ = 88665136560.

The previous prime is 272423853509. The next prime is 272423853523. The reversal of 272423853522 is 225358324272.

272423853522 is a `hidden beast` number, since 2 + 7 + 2 + 42 + 3 + 85 + 3 + 522 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 271473302961 + 950550561 = 521031^2 + 30831^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=369069.

It is a super-2 number, since 2×272423853522² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (272423853523) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 95218372 + ... + 95221232.

Almost surely, 2^272423853522 is an apocalyptic number.

272423853522 is an abundant number, since it is smaller than the sum of its proper divisors (332085132819).

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

272423853522 is an frugal number, since it uses more digits than its factorization.

272423853522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5816 (or 2909 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 45.

The spelling of 272423853522 in words is "two hundred seventy-two billion, four hundred twenty-three million, eight hundred fifty-three thousand, five hundred twenty-two".