259838815620 has 48 divisors (see below), whose sum is σ = 736314344640. Its totient is φ = 68455526016.

The previous prime is 259838815619. The next prime is 259838815631. The reversal of 259838815620 is 26518838952.

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, 26083255 + ... + 26093214.

It is an arithmetic number, because the mean of its divisors is an integer number (15339882180).

Almost surely, 2^259838815620 is an apocalyptic number.

259838815620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

259838815620 is an abundant number, since it is smaller than the sum of its proper divisors (476475529020).

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

259838815620 is a wasteful number, since it uses less digits than its factorization.

259838815620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52176564 (or 52176562 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 57.

The spelling of 259838815620 in words is "two hundred fifty-nine billion, eight hundred thirty-eight million, eight hundred fifteen thousand, six hundred twenty".