65044404 has 96 divisors (see below), whose sum is σ = 174787200. Its totient is φ = 20908800.

The previous prime is 65044393. The next prime is 65044411. The reversal of 65044404 is 40444056.

65044404 is a `hidden beast` number, since 650 + 4 + 4 + 4 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 643954 + ... + 644054.

It is an arithmetic number, because the mean of its divisors is an integer number (1820700).

Almost surely, 2^65044404 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 65044404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87393600).

65044404 is an abundant number, since it is smaller than the sum of its proper divisors (109742796).

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

65044404 is a wasteful number, since it uses less digits than its factorization.

65044404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 65044404 is about 8065.0110973265. The cubic root of 65044404 is about 402.1641120984.

It can be divided in two parts, 650 and 44404, that added together give a palindrome (45054).

The spelling of 65044404 in words is "sixty-five million, forty-four thousand, four hundred four".