260211400 has 24 divisors (see below), whose sum is σ = 604991970. Its totient is φ = 104084480.

The previous prime is 260211383. The next prime is 260211409. The reversal of 260211400 is 4112062.

It can be written as a sum of positive squares in 3 ways, for example, as 207532836 + 52678564 = 14406^2 + 7258^2 .

It is not an unprimeable number, because it can be changed into a prime (260211409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 650329 + ... + 650728.

Almost surely, 2^260211400 is an apocalyptic number.

260211400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260211400 is an abundant number, since it is smaller than the sum of its proper divisors (344780570).

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

260211400 is a wasteful number, since it uses less digits than its factorization.

260211400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301073 (or 1301064 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 260211400 is about 16131.0694003838. The cubic root of 260211400 is about 638.4233652564.

Adding to 260211400 its reverse (4112062), we get a palindrome (264323462).

The spelling of 260211400 in words is "two hundred sixty million, two hundred eleven thousand, four hundred".