259640794 has 16 divisors (see below), whose sum is σ = 455450688. Its totient is φ = 108686592.

The previous prime is 259640761. The next prime is 259640807. The reversal of 259640794 is 497046952.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215047 + ... + 216250.

It is an arithmetic number, because the mean of its divisors is an integer number (28465668).

Almost surely, 2^259640794 is an apocalyptic number.

259640794 is a deficient number, since it is larger than the sum of its proper divisors (195809894).

259640794 is a wasteful number, since it uses less digits than its factorization.

259640794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431349.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 259640794 is about 16113.3731415865. The cubic root of 259640794 is about 637.9563670071.

The spelling of 259640794 in words is "two hundred fifty-nine million, six hundred forty thousand, seven hundred ninety-four".