259894426 has 16 divisors (see below), whose sum is σ = 447665760. Its totient is φ = 111916080.

The previous prime is 259894423. The next prime is 259894471. The reversal of 259894426 is 624498952.

It is a super-2 number, since 2×259894426² = 135090225331738952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 259894426.

It is not an unprimeable number, because it can be changed into a prime (259894423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310461 + ... + 311296.

It is an arithmetic number, because the mean of its divisors is an integer number (27979110).

Almost surely, 2^259894426 is an apocalyptic number.

259894426 is a deficient number, since it is larger than the sum of its proper divisors (187771334).

259894426 is a wasteful number, since it uses less digits than its factorization.

259894426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621789.

The product of its digits is 1244160, while the sum is 49.

The square root of 259894426 is about 16121.2414534365. The cubic root of 259894426 is about 638.1640301767.

The spelling of 259894426 in words is "two hundred fifty-nine million, eight hundred ninety-four thousand, four hundred twenty-six".