259679442 has 16 divisors (see below), whose sum is σ = 566573472. Its totient is φ = 78690720.

The previous prime is 259679429. The next prime is 259679443. The reversal of 259679442 is 244976952.

It is a junction number, because it is equal to n+sod(n) for n = 259679391 and 259679400.

It is not an unprimeable number, because it can be changed into a prime (259679443) 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, 1967203 + ... + 1967334.

It is an arithmetic number, because the mean of its divisors is an integer number (35410842).

Almost surely, 2^259679442 is an apocalyptic number.

259679442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

259679442 is an abundant number, since it is smaller than the sum of its proper divisors (306894030).

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

259679442 is a wasteful number, since it uses less digits than its factorization.

259679442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3934553.

The product of its digits is 1088640, while the sum is 48.

The square root of 259679442 is about 16114.5723492744. The cubic root of 259679442 is about 637.9880190882.

The spelling of 259679442 in words is "two hundred fifty-nine million, six hundred seventy-nine thousand, four hundred forty-two".