272305440445 has 16 divisors (see below), whose sum is σ = 346093069248. Its totient is φ = 204967768320.

The previous prime is 272305440439. The next prime is 272305440487. The reversal of 272305440445 is 544044503272.

It is not a de Polignac number, because 272305440445 - 2⁹ = 272305439933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 272305440398 and 272305440407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203271 + ... + 765460.

It is an arithmetic number, because the mean of its divisors is an integer number (21630816828).

Almost surely, 2^272305440445 is an apocalyptic number.

It is an amenable number.

272305440445 is a deficient number, since it is larger than the sum of its proper divisors (73787628803).

272305440445 is a wasteful number, since it uses less digits than its factorization.

272305440445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972060.

The product of its (nonzero) digits is 537600, while the sum is 40.

The spelling of 272305440445 in words is "two hundred seventy-two billion, three hundred five million, four hundred forty thousand, four hundred forty-five".