259764494 has 48 divisors (see below), whose sum is σ = 447460944. Its totient is φ = 112907520.

The previous prime is 259764487. The next prime is 259764509. The reversal of 259764494 is 494467952.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 599702 + ... + 600134.

It is an arithmetic number, because the mean of its divisors is an integer number (9322103).

Almost surely, 2^259764494 is an apocalyptic number.

259764494 is a deficient number, since it is larger than the sum of its proper divisors (187696450).

259764494 is a wasteful number, since it uses less digits than its factorization.

259764494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561 (or 550 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 50.

The square root of 259764494 is about 16117.2111111073. The cubic root of 259764494 is about 638.0576642291.

The spelling of 259764494 in words is "two hundred fifty-nine million, seven hundred sixty-four thousand, four hundred ninety-four".