259409872146 has 32 divisors (see below), whose sum is σ = 528299956800. Its totient is φ = 84893736960.

The previous prime is 259409872129. The next prime is 259409872181. The reversal of 259409872146 is 641278904952.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204235 + ... + 748686.

It is an arithmetic number, because the mean of its divisors is an integer number (16509373650).

Almost surely, 2^259409872146 is an apocalyptic number.

259409872146 is an abundant number, since it is smaller than the sum of its proper divisors (268890084654).

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

259409872146 is a wasteful number, since it uses less digits than its factorization.

259409872146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953754.

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 259409872146 in words is "two hundred fifty-nine billion, four hundred nine million, eight hundred seventy-two thousand, one hundred forty-six".