272638474407 has 144 divisors (see below), whose sum is σ = 450351842304. Its totient is φ = 157939891200.

The previous prime is 272638474397. The next prime is 272638474411. The reversal of 272638474407 is 704474836272.

272638474407 is a `hidden beast` number, since 2 + 72 + 63 + 8 + 474 + 40 + 7 = 666.

It is not a de Polignac number, because 272638474407 - 2⁷ = 272638474279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272638474007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 871049283 + ... + 871049595.

Almost surely, 2^272638474407 is an apocalyptic number.

272638474407 is a deficient number, since it is larger than the sum of its proper divisors (177713367897).

272638474407 is a wasteful number, since it uses less digits than its factorization.

272638474407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 12644352, while the sum is 54.

The spelling of 272638474407 in words is "two hundred seventy-two billion, six hundred thirty-eight million, four hundred seventy-four thousand, four hundred seven".