276431824445 has 24 divisors (see below), whose sum is σ = 385904575584. Its totient is φ = 189539342496.

The previous prime is 276431824441. The next prime is 276431824481. The reversal of 276431824445 is 544428134672.

It is not a de Polignac number, because 276431824445 - 2² = 276431824441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 276431824393 and 276431824402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276431824441) 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, 4181942 + ... + 4247528.

It is an arithmetic number, because the mean of its divisors is an integer number (16079357316).

Almost surely, 2^276431824445 is an apocalyptic number.

It is an amenable number.

276431824445 is a deficient number, since it is larger than the sum of its proper divisors (109472751139).

276431824445 is a wasteful number, since it uses less digits than its factorization.

276431824445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82809 (or 82802 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 50.

The spelling of 276431824445 in words is "two hundred seventy-six billion, four hundred thirty-one million, eight hundred twenty-four thousand, four hundred forty-five".