259278380 has 24 divisors (see below), whose sum is σ = 546871920. Its totient is φ = 103256640.

The previous prime is 259278377. The next prime is 259278401. The reversal of 259278380 is 83872952.

259278380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23726 + ... + 32885.

It is an arithmetic number, because the mean of its divisors is an integer number (22786330).

Almost surely, 2^259278380 is an apocalyptic number.

259278380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

259278380 is an abundant number, since it is smaller than the sum of its proper divisors (287593540).

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

259278380 is a wasteful number, since it uses less digits than its factorization.

259278380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56849 (or 56847 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 259278380 is about 16102.1234624505. The cubic root of 259278380 is about 637.6594029174.

The spelling of 259278380 in words is "two hundred fifty-nine million, two hundred seventy-eight thousand, three hundred eighty".