276306442 has 8 divisors (see below), whose sum is σ = 415504836. Its totient is φ = 137804832.

The previous prime is 276306427. The next prime is 276306449. The reversal of 276306442 is 244603672.

It can be written as a sum of positive squares in 2 ways, for example, as 275858881 + 447561 = 16609^2 + 669^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 276306398 and 276306407.

It is not an unprimeable number, because it can be changed into a prime (276306449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173203 + ... + 174790.

Almost surely, 2^276306442 is an apocalyptic number.

276306442 is a deficient number, since it is larger than the sum of its proper divisors (139198394).

276306442 is a wasteful number, since it uses less digits than its factorization.

276306442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348392.

The product of its (nonzero) digits is 48384, while the sum is 34.

The square root of 276306442 is about 16622.4679876365. The cubic root of 276306442 is about 651.3238832185.

The spelling of 276306442 in words is "two hundred seventy-six million, three hundred six thousand, four hundred forty-two".