259243320 has 96 divisors (see below), whose sum is σ = 904726800. Its totient is φ = 59254272.

The previous prime is 259243291. The next prime is 259243331. The reversal of 259243320 is 23342952.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 16165 + ... + 27924.

Almost surely, 2^259243320 is an apocalyptic number.

259243320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

259243320 is an abundant number, since it is smaller than the sum of its proper divisors (645483480).

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

259243320 is a wasteful number, since it uses less digits than its factorization.

259243320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44117 (or 44106 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 259243320 is about 16101.0347493569. The cubic root of 259243320 is about 637.6306598775.

The spelling of 259243320 in words is "two hundred fifty-nine million, two hundred forty-three thousand, three hundred twenty".