272743440642 has 12 divisors (see below), whose sum is σ = 590944121430. Its totient is φ = 90914480208.

The previous prime is 272743440623. The next prime is 272743440643. The reversal of 272743440642 is 246044347272.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 218145977721 + 54597462921 = 467061^2 + 233661^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (272743440643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7576206667 + ... + 7576206702.

Almost surely, 2^272743440642 is an apocalyptic number.

272743440642 is an abundant number, since it is smaller than the sum of its proper divisors (318200680788).

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

272743440642 is a wasteful number, since it uses less digits than its factorization.

272743440642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15152413377 (or 15152413374 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 45.

The spelling of 272743440642 in words is "two hundred seventy-two billion, seven hundred forty-three million, four hundred forty thousand, six hundred forty-two".