259025897490 has 32 divisors (see below), whose sum is σ = 621686309760. Its totient is φ = 69070888704.

The previous prime is 259025897477. The next prime is 259025897513. The reversal of 259025897490 is 94798520952.

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, 688906 + ... + 996314.

It is an arithmetic number, because the mean of its divisors is an integer number (19427697180).

Almost surely, 2^259025897490 is an apocalyptic number.

259025897490 is an abundant number, since it is smaller than the sum of its proper divisors (362660412270).

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

259025897490 is a wasteful number, since it uses less digits than its factorization.

259025897490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335506.

The product of its (nonzero) digits is 16329600, while the sum is 60.

The spelling of 259025897490 in words is "two hundred fifty-nine billion, twenty-five million, eight hundred ninety-seven thousand, four hundred ninety".