259922040 has 128 divisors (see below), whose sum is σ = 915356160. Its totient is φ = 57798144.

The previous prime is 259922029. The next prime is 259922051. The reversal of 259922040 is 40229952.

It is an interprime number because it is at equal distance from previous prime (259922029) and next prime (259922051).

It is a junction number, because it is equal to n+sod(n) for n = 259921992 and 259922010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26899 + ... + 35261.

It is an arithmetic number, because the mean of its divisors is an integer number (7151220).

Almost surely, 2^259922040 is an apocalyptic number.

259922040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 259922040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (457678080).

259922040 is an abundant number, since it is smaller than the sum of its proper divisors (655434120).

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

259922040 is a wasteful number, since it uses less digits than its factorization.

259922040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8421 (or 8417 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 259922040 is about 16122.0978783780. The cubic root of 259922040 is about 638.1866311968.

The spelling of 259922040 in words is "two hundred fifty-nine million, nine hundred twenty-two thousand, forty".