272485066644 has 144 divisors (see below), whose sum is σ = 836006161536. Its totient is φ = 73051545600.

The previous prime is 272485066621. The next prime is 272485066787. The reversal of 272485066644 is 446660584272.

It is a happy number.

272485066644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×272485066644² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1321924 + ... + 1514084.

It is an arithmetic number, because the mean of its divisors is an integer number (5805598344).

Almost surely, 2^272485066644 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 272485066644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (418003080768).

272485066644 is an abundant number, since it is smaller than the sum of its proper divisors (563521094892).

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

272485066644 is a wasteful number, since it uses less digits than its factorization.

272485066644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192526 (or 192521 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 54.

The spelling of 272485066644 in words is "two hundred seventy-two billion, four hundred eighty-five million, sixty-six thousand, six hundred forty-four".