275771040345 has 20 divisors (see below), whose sum is σ = 494345124900. Its totient is φ = 147077887968.

The previous prime is 275771040343. The next prime is 275771040361. The reversal of 275771040345 is 543040177572.

275771040345 is a `hidden beast` number, since 2 + 7 + 577 + 1 + 0 + 40 + 34 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 79603543881 + 196167496464 = 282141^2 + 442908^2 .

It is not a de Polignac number, because 275771040345 - 2¹ = 275771040343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 275771040345.

It is not an unprimeable number, because it can be changed into a prime (275771040343) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 340457670 + ... + 340458479.

It is an arithmetic number, because the mean of its divisors is an integer number (24717256245).

Almost surely, 2^275771040345 is an apocalyptic number.

It is an amenable number.

275771040345 is a deficient number, since it is larger than the sum of its proper divisors (218574084555).

275771040345 is an equidigital number, since it uses as much as digits as its factorization.

275771040345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680916166 (or 680916157 counting only the distinct ones).

The product of its (nonzero) digits is 823200, while the sum is 45.

The spelling of 275771040345 in words is "two hundred seventy-five billion, seven hundred seventy-one million, forty thousand, three hundred forty-five".