259880056 has 16 divisors (see below), whose sum is σ = 490195440. Its totient is φ = 129161280.

The previous prime is 259880053. The next prime is 259880063. The reversal of 259880056 is 650088952.

It is a junction number, because it is equal to n+sod(n) for n = 259879994 and 259880021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259880051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95925 + ... + 98596.

It is an arithmetic number, because the mean of its divisors is an integer number (30637215).

Almost surely, 2^259880056 is an apocalyptic number.

It is an amenable number.

259880056 is a deficient number, since it is larger than the sum of its proper divisors (230315384).

259880056 is a wasteful number, since it uses less digits than its factorization.

259880056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194694 (or 194690 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 259880056 is about 16120.7957619964. The cubic root of 259880056 is about 638.1522682390.

The spelling of 259880056 in words is "two hundred fifty-nine million, eight hundred eighty thousand, fifty-six".