260236400 has 30 divisors (see below), whose sum is σ = 625218912. Its totient is φ = 104094400.

The previous prime is 260236399. The next prime is 260236411. The reversal of 260236400 is 4632062.

260236400 = 122² + 123² + ... + 921².

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 324896 + ... + 325695.

Almost surely, 2^260236400 is an apocalyptic number.

260236400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260236400 is an abundant number, since it is smaller than the sum of its proper divisors (364982512).

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

260236400 is a wasteful number, since it uses less digits than its factorization.

260236400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650609 (or 650598 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 260236400 is about 16131.8442839001. The cubic root of 260236400 is about 638.4438102651.

Adding to 260236400 its reverse (4632062), we get a palindrome (264868462).

It can be divided in two parts, 26023 and 6400, that added together give a palindrome (32423).

The spelling of 260236400 in words is "two hundred sixty million, two hundred thirty-six thousand, four hundred".