260623720 has 64 divisors (see below), whose sum is σ = 681206400. Its totient is φ = 87886080.

The previous prime is 260623717. The next prime is 260623721. The reversal of 260623720 is 27326062.

260623720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (260623721) 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, 9451 + ... + 24709.

It is an arithmetic number, because the mean of its divisors is an integer number (10643850).

Almost surely, 2^260623720 is an apocalyptic number.

260623720 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 260623720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340603200).

260623720 is an abundant number, since it is smaller than the sum of its proper divisors (420582680).

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

260623720 is a wasteful number, since it uses less digits than its factorization.

260623720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15338 (or 15334 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 260623720 is about 16143.8446474190. The cubic root of 260623720 is about 638.7603935436.

Adding to 260623720 its reverse (27326062), we get a palindrome (287949782).

The spelling of 260623720 in words is "two hundred sixty million, six hundred twenty-three thousand, seven hundred twenty".