272438505824 has 24 divisors (see below), whose sum is σ = 538299655488. Its totient is φ = 135727482240.

The previous prime is 272438505751. The next prime is 272438505827. The reversal of 272438505824 is 428505834272.

It is a happy number.

It is a super-2 number, since 2×272438505824² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272438505827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15358832 + ... + 15376559.

It is an arithmetic number, because the mean of its divisors is an integer number (22429152312).

Almost surely, 2^272438505824 is an apocalyptic number.

It is an amenable number.

272438505824 is a deficient number, since it is larger than the sum of its proper divisors (265861149664).

272438505824 is a wasteful number, since it uses less digits than its factorization.

272438505824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30735678 (or 30735670 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 50.

The spelling of 272438505824 in words is "two hundred seventy-two billion, four hundred thirty-eight million, five hundred five thousand, eight hundred twenty-four".