65265944 has 8 divisors (see below), whose sum is σ = 122373660. Its totient is φ = 32632968.

The previous prime is 65265923. The next prime is 65265947. The reversal of 65265944 is 44956256.

It is a happy number.

65265944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×65265944² = 8519286892422272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65265947) 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 as a sum of consecutive naturals, namely, 4079114 + ... + 4079129.

Almost surely, 2^65265944 is an apocalyptic number.

It is an amenable number.

65265944 is a deficient number, since it is larger than the sum of its proper divisors (57107716).

65265944 is a wasteful number, since it uses less digits than its factorization.

65265944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8158249 (or 8158245 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

The square root of 65265944 is about 8078.7340592447. The cubic root of 65265944 is about 402.6201824669.

The spelling of 65265944 in words is "sixty-five million, two hundred sixty-five thousand, nine hundred forty-four".