65340400 has 30 divisors (see below), whose sum is σ = 156981272. Its totient is φ = 26136000.

The previous prime is 65340397. The next prime is 65340403. The reversal of 65340400 is 404356.

65340400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (65340397) and next prime (65340403).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65340403) by changing a digit.

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, 81276 + ... + 82075.

Almost surely, 2^65340400 is an apocalyptic number.

It is an amenable number.

65340400 is an abundant number, since it is smaller than the sum of its proper divisors (91640872).

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

65340400 is a wasteful number, since it uses less digits than its factorization.

65340400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163369 (or 163358 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 65340400 is about 8083.3408934673. The cubic root of 65340400 is about 402.7732285742.

Adding to 65340400 its reverse (404356), we get a palindrome (65744756).

The spelling of 65340400 in words is "sixty-five million, three hundred forty thousand, four hundred".