65245264260 has 144 divisors (see below), whose sum is σ = 209535596928. Its totient is φ = 15129297920.

The previous prime is 65245264229. The next prime is 65245264303. The reversal of 65245264260 is 6246254256.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28389 + ... + 362348.

It is an arithmetic number, because the mean of its divisors is an integer number (1455108312).

Almost surely, 2^65245264260 is an apocalyptic number.

65245264260 is a gapful number since it is divisible by the number (60) 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 65245264260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104767798464).

65245264260 is an abundant number, since it is smaller than the sum of its proper divisors (144290332668).

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

65245264260 is a wasteful number, since it uses less digits than its factorization.

65245264260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390794 (or 390781 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 65245264260 in words is "sixty-five billion, two hundred forty-five million, two hundred sixty-four thousand, two hundred sixty".