260231400 has 384 divisors, whose sum is σ = 1056182400. Its totient is φ = 58060800.

The previous prime is 260231371. The next prime is 260231423. The reversal of 260231400 is 4132062.

It is a happy number.

260231400 is a `hidden beast` number, since 260 + 2 + 3 + 1 + 400 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 772032 + ... + 772368.

It is an arithmetic number, because the mean of its divisors is an integer number (2750475).

Almost surely, 2^260231400 is an apocalyptic number.

260231400 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 260231400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (528091200).

260231400 is an abundant number, since it is smaller than the sum of its proper divisors (795951000).

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

260231400 is a wasteful number, since it uses less digits than its factorization.

260231400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 260231400 is about 16131.6893101746. The cubic root of 260231400 is about 638.4397213682.

Adding to 260231400 its reverse (4132062), we get a palindrome (264363462).

The spelling of 260231400 in words is "two hundred sixty million, two hundred thirty-one thousand, four hundred".