260513979800 has 24 divisors (see below), whose sum is σ = 605695003500. Its totient is φ = 104205591840.

The previous prime is 260513979799. The next prime is 260513979809. The reversal of 260513979800 is 8979315062.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260513979809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 651284750 + ... + 651285149.

Almost surely, 2^260513979800 is an apocalyptic number.

260513979800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260513979800 is an abundant number, since it is smaller than the sum of its proper divisors (345181023700).

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

260513979800 is a wasteful number, since it uses less digits than its factorization.

260513979800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302569915 (or 1302569906 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 260513979800 in words is "two hundred sixty billion, five hundred thirteen million, nine hundred seventy-nine thousand, eight hundred".