259443464 has 64 divisors (see below), whose sum is σ = 577536000. Its totient is φ = 106920000.

The previous prime is 259443413. The next prime is 259443469. The reversal of 259443464 is 464344952.

It is a happy number.

It is a super-2 number, since 2×259443464² = 134621822024638592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (259443469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345089 + ... + 345839.

It is an arithmetic number, because the mean of its divisors is an integer number (9024000).

Almost surely, 2^259443464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 259443464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288768000).

259443464 is an abundant number, since it is smaller than the sum of its proper divisors (318092536).

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

259443464 is a wasteful number, since it uses less digits than its factorization.

259443464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994 (or 990 counting only the distinct ones).

The product of its digits is 414720, while the sum is 41.

The square root of 259443464 is about 16107.2488029458. The cubic root of 259443464 is about 637.7947079787.

The spelling of 259443464 in words is "two hundred fifty-nine million, four hundred forty-three thousand, four hundred sixty-four".