260801500 has 24 divisors (see below), whose sum is σ = 569591568. Its totient is φ = 104320400.

The previous prime is 260801491. The next prime is 260801503. The reversal of 260801500 is 5108062.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260801503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260302 + ... + 261301.

It is an arithmetic number, because the mean of its divisors is an integer number (23732982).

Almost surely, 2^260801500 is an apocalyptic number.

260801500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260801500 is an abundant number, since it is smaller than the sum of its proper divisors (308790068).

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

260801500 is a wasteful number, since it uses less digits than its factorization.

260801500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521622 (or 521610 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 260801500 is about 16149.3498321140. The cubic root of 260801500 is about 638.9056003470.

Adding to 260801500 its reverse (5108062), we get a palindrome (265909562).

The spelling of 260801500 in words is "two hundred sixty million, eight hundred one thousand, five hundred".