65444036 has 48 divisors (see below), whose sum is σ = 135569280. Its totient is φ = 27060480.

The previous prime is 65444017. The next prime is 65444047. The reversal of 65444036 is 63044456.

65444036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 65443993 and 65444011.

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 15 ways as a sum of consecutive naturals, for example, 124871 + ... + 125393.

It is an arithmetic number, because the mean of its divisors is an integer number (2824360).

Almost surely, 2^65444036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65444036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67784640).

65444036 is an abundant number, since it is smaller than the sum of its proper divisors (70125244).

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

65444036 is a wasteful number, since it uses less digits than its factorization.

65444036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684 (or 682 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 65444036 is about 8089.7488218115. The cubic root of 65444036 is about 402.9860614562.

The spelling of 65444036 in words is "sixty-five million, four hundred forty-four thousand, thirty-six".