65120244 has 24 divisors (see below), whose sum is σ = 173654208. Its totient is φ = 18605760.

The previous prime is 65120233. The next prime is 65120257. The reversal of 65120244 is 44202156.

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, 387537 + ... + 387704.

It is an arithmetic number, because the mean of its divisors is an integer number (7235592).

Almost surely, 2^65120244 is an apocalyptic number.

It is an amenable number.

65120244 is an abundant number, since it is smaller than the sum of its proper divisors (108533964).

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

65120244 is a wasteful number, since it uses less digits than its factorization.

65120244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775255 (or 775253 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 65120244 is about 8069.7115190074. The cubic root of 65120244 is about 402.3203555155.

The spelling of 65120244 in words is "sixty-five million, one hundred twenty thousand, two hundred forty-four".