260001100 has 18 divisors (see below), whose sum is σ = 564202604. Its totient is φ = 104000400.

The previous prime is 260001089. The next prime is 260001101. The reversal of 260001100 is 1100062.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (260001101) 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, 1299906 + ... + 1300105.

Almost surely, 2^260001100 is an apocalyptic number.

260001100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260001100 is an abundant number, since it is smaller than the sum of its proper divisors (304201504).

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

260001100 is a wasteful number, since it uses less digits than its factorization.

260001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600025 (or 2600018 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 260001100 is about 16124.5496061130. The cubic root of 260001100 is about 638.2513299815.

Adding to 260001100 its reverse (1100062), we get a palindrome (261101162).

The spelling of 260001100 in words is "two hundred sixty million, one thousand, one hundred".