276144506645 has 32 divisors (see below), whose sum is σ = 387610223616. Its totient is φ = 184924857600.

The previous prime is 276144506593. The next prime is 276144506647. The reversal of 276144506645 is 546605441672.

It is not a de Polignac number, because 276144506645 - 2¹⁴ = 276144490261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 276144506593 and 276144506602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276144506647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 576275 + ... + 940415.

It is an arithmetic number, because the mean of its divisors is an integer number (12112819488).

Almost surely, 2^276144506645 is an apocalyptic number.

It is an amenable number.

276144506645 is a deficient number, since it is larger than the sum of its proper divisors (111465716971).

276144506645 is a wasteful number, since it uses less digits than its factorization.

276144506645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364661.

The product of its (nonzero) digits is 4838400, while the sum is 50.

The spelling of 276144506645 in words is "two hundred seventy-six billion, one hundred forty-four million, five hundred six thousand, six hundred forty-five".