260644873000 has 32 divisors (see below), whose sum is σ = 609909005160. Its totient is φ = 104257948800.

The previous prime is 260644872919. The next prime is 260644873019. The reversal of 260644873000 is 378446062.

It is a happy number.

260644873000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 52568401284 + 208076471716 = 229278^2 + 456154^2 .

It is a super-2 number, since 2×260644873000² (a number of 24 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130321437 + ... + 130323436.

Almost surely, 2^260644873000 is an apocalyptic number.

260644873000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260644873000 is an abundant number, since it is smaller than the sum of its proper divisors (349264132160).

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

260644873000 is a wasteful number, since it uses less digits than its factorization.

260644873000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260644894 (or 260644880 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 260644873000 in words is "two hundred sixty billion, six hundred forty-four million, eight hundred seventy-three thousand".