65260544 has 44 divisors (see below), whose sum is σ = 131957808. Its totient is φ = 32256000.

The previous prime is 65260529. The next prime is 65260553. The reversal of 65260544 is 44506256.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 65260544.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103109 + ... + 103739.

Almost surely, 2^65260544 is an apocalyptic number.

65260544 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65260544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65978904).

65260544 is an abundant number, since it is smaller than the sum of its proper divisors (66697264).

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

65260544 is a wasteful number, since it uses less digits than its factorization.

65260544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752 (or 734 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 65260544 is about 8078.3998415528. The cubic root of 65260544 is about 402.6090781103.

The spelling of 65260544 in words is "sixty-five million, two hundred sixty thousand, five hundred forty-four".