260261100 has 360 divisors, whose sum is σ = 967938048. Its totient is φ = 59875200.

The previous prime is 260261093. The next prime is 260261101. The reversal of 260261100 is 1162062.

It is a happy number.

260261100 is a `hidden beast` number, since 2 + 602 + 61 + 1 + 0 + 0 = 666.

260261100 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 (18).

It is not an unprimeable number, because it can be changed into a prime (260261101) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2049237 + ... + 2049363.

Almost surely, 2^260261100 is an apocalyptic number.

260261100 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 260261100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (483969024).

260261100 is an abundant number, since it is smaller than the sum of its proper divisors (707676948).

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

260261100 is a wasteful number, since it uses less digits than its factorization.

260261100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 260261100 is about 16132.6098322621. The cubic root of 260261100 is about 638.4640086479.

The spelling of 260261100 in words is "two hundred sixty million, two hundred sixty-one thousand, one hundred".