276568428 has 24 divisors (see below), whose sum is σ = 647039680. Its totient is φ = 91944720.

The previous prime is 276568423. The next prime is 276568441. The reversal of 276568428 is 824865672.

It is not an unprimeable number, because it can be changed into a prime (276568423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25858 + ... + 34953.

Almost surely, 2^276568428 is an apocalyptic number.

It is an amenable number.

276568428 is an abundant number, since it is smaller than the sum of its proper divisors (370471252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

276568428 is a wasteful number, since it uses less digits than its factorization.

276568428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61197 (or 61195 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 48.

The square root of 276568428 is about 16630.3465989137. The cubic root of 276568428 is about 651.5296738553.

The spelling of 276568428 in words is "two hundred seventy-six million, five hundred sixty-eight thousand, four hundred twenty-eight".