272643448 has 96 divisors (see below), whose sum is σ = 661523760. Its totient is φ = 104133120.

The previous prime is 272643443. The next prime is 272643451. The reversal of 272643448 is 844346272.

It is a self number, because there is not a number n which added to its sum of digits gives 272643448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272643443) 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, 227940 + ... + 229132.

Almost surely, 2^272643448 is an apocalyptic number.

272643448 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272643448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330761880).

272643448 is an abundant number, since it is smaller than the sum of its proper divisors (388880312).

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

272643448 is a wasteful number, since it uses less digits than its factorization.

272643448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277 (or 1266 counting only the distinct ones).

The product of its digits is 258048, while the sum is 40.

The square root of 272643448 is about 16511.9183622013. The cubic root of 272643448 is about 648.4328700996.

The spelling of 272643448 in words is "two hundred seventy-two million, six hundred forty-three thousand, four hundred forty-eight".