259033332640 has 24 divisors (see below), whose sum is σ = 611966248740. Its totient is φ = 103613332992.

The previous prime is 259033332611. The next prime is 259033332721. The reversal of 259033332640 is 46233330952.

It can be written as a sum of positive squares in 2 ways, for example, as 258133092624 + 900240016 = 508068^2 + 30004^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 259033332593 and 259033332602.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 809479005 + ... + 809479324.

Almost surely, 2^259033332640 is an apocalyptic number.

259033332640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

259033332640 is an abundant number, since it is smaller than the sum of its proper divisors (352932916100).

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

259033332640 is a wasteful number, since it uses less digits than its factorization.

259033332640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618958344 (or 1618958336 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 40.

The spelling of 259033332640 in words is "two hundred fifty-nine billion, thirty-three million, three hundred thirty-two thousand, six hundred forty".