276240430 has 16 divisors (see below), whose sum is σ = 523403280. Its totient is φ = 104680512.

The previous prime is 276240421. The next prime is 276240431. The reversal of 276240430 is 34042672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276240431) 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, 726759 + ... + 727138.

It is an arithmetic number, because the mean of its divisors is an integer number (32712705).

Almost surely, 2^276240430 is an apocalyptic number.

276240430 is a deficient number, since it is larger than the sum of its proper divisors (247162850).

276240430 is a wasteful number, since it uses less digits than its factorization.

276240430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453923.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 276240430 is about 16620.4822433045. The cubic root of 276240430 is about 651.2720101167.

The spelling of 276240430 in words is "two hundred seventy-six million, two hundred forty thousand, four hundred thirty".