65112448 has 64 divisors (see below), whose sum is σ = 143428320. Its totient is φ = 29286400.

The previous prime is 65112427. The next prime is 65112457. The reversal of 65112448 is 84421156.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49398 + ... + 50698.

Almost surely, 2^65112448 is an apocalyptic number.

65112448 is a gapful number since it is divisible by the number (68) 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 65112448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71714160).

65112448 is an abundant number, since it is smaller than the sum of its proper divisors (78315872).

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

65112448 is a wasteful number, since it uses less digits than its factorization.

65112448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355 (or 1343 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 65112448 is about 8069.2284637380. The cubic root of 65112448 is about 402.3043000133.

The spelling of 65112448 in words is "sixty-five million, one hundred twelve thousand, four hundred forty-eight".