259198470 has 48 divisors (see below), whose sum is σ = 680483232. Its totient is φ = 68446080.

The previous prime is 259198441. The next prime is 259198483. The reversal of 259198470 is 74891952.

259198470 is a `hidden beast` number, since 2 + 5 + 91 + 98 + 470 = 666.

259198470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4711 + ... + 23250.

It is an arithmetic number, because the mean of its divisors is an integer number (14176734).

Almost surely, 2^259198470 is an apocalyptic number.

259198470 is an abundant number, since it is smaller than the sum of its proper divisors (421284762).

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

259198470 is a wasteful number, since it uses less digits than its factorization.

259198470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28077 (or 28074 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 259198470 is about 16099.6419214838. The cubic root of 259198470 is about 637.5938869796.

The spelling of 259198470 in words is "two hundred fifty-nine million, one hundred ninety-eight thousand, four hundred seventy".