65244404 has 12 divisors (see below), whose sum is σ = 120187200. Its totient is φ = 30905208.

The previous prime is 65244401. The next prime is 65244409. The reversal of 65244404 is 40444256.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65244401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429164 + ... + 429315.

It is an arithmetic number, because the mean of its divisors is an integer number (10015600).

Almost surely, 2^65244404 is an apocalyptic number.

It is an amenable number.

65244404 is a deficient number, since it is larger than the sum of its proper divisors (54942796).

65244404 is a wasteful number, since it uses less digits than its factorization.

65244404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858502 (or 858500 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 65244404 is about 8077.4008195706. The cubic root of 65244404 is about 402.5758847702.

The spelling of 65244404 in words is "sixty-five million, two hundred forty-four thousand, four hundred four".