260539944 has 128 divisors (see below), whose sum is σ = 785376000. Its totient is φ = 70447104.

The previous prime is 260539933. The next prime is 260539957. The reversal of 260539944 is 449935062.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 260539896 and 260539905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 257712 + ... + 258720.

It is an arithmetic number, because the mean of its divisors is an integer number (6135750).

Almost surely, 2^260539944 is an apocalyptic number.

260539944 is a gapful number since it is divisible by the number (24) 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 260539944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392688000).

260539944 is an abundant number, since it is smaller than the sum of its proper divisors (524836056).

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

260539944 is a wasteful number, since it uses less digits than its factorization.

260539944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107 (or 1103 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 260539944 is about 16141.2497657400. The cubic root of 260539944 is about 638.6919442539.

The spelling of 260539944 in words is "two hundred sixty million, five hundred thirty-nine thousand, nine hundred forty-four".