65418448 has 20 divisors (see below), whose sum is σ = 134204580. Its totient is φ = 30785024.

The previous prime is 65418427. The next prime is 65418469. The reversal of 65418448 is 84481456.

65418448 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 (65418427) and next prime (65418469).

It can be written as a sum of positive squares in 2 ways, for example, as 50580544 + 14837904 = 7112^2 + 3852^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 65418448.

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 3 ways as a sum of consecutive naturals, for example, 119983 + ... + 120526.

It is an arithmetic number, because the mean of its divisors is an integer number (6710229).

Almost surely, 2^65418448 is an apocalyptic number.

65418448 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

65418448 is an abundant number, since it is smaller than the sum of its proper divisors (68786132).

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

65418448 is a wasteful number, since it uses less digits than its factorization.

65418448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240534 (or 240528 counting only the distinct ones).

The product of its digits is 122880, while the sum is 40.

The square root of 65418448 is about 8088.1671594991. The cubic root of 65418448 is about 402.9335333616.

The spelling of 65418448 in words is "sixty-five million, four hundred eighteen thousand, four hundred forty-eight".