65049424804728 has 768 divisors, whose sum is σ = 227374770954240. Its totient is φ = 16339702579200.

The previous prime is 65049424804717. The next prime is 65049424804781. The reversal of 65049424804728 is 82740842494056.

It is a happy number.

65049424804728 is a `hidden beast` number, since 6 + 5 + 0 + 4 + 94 + 2 + 480 + 47 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 28319295676 + ... + 28319297972.

It is an arithmetic number, because the mean of its divisors is an integer number (296060899680).

Almost surely, 2^{65049424804728} 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 65049424804728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113687385477120).

65049424804728 is an abundant number, since it is smaller than the sum of its proper divisors (162325346149512).

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

65049424804728 is a wasteful number, since it uses less digits than its factorization.

65049424804728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4508 (or 4501 counting only the distinct ones).

The product of its (nonzero) digits is 123863040, while the sum is 63.

The spelling of 65049424804728 in words is "sixty-five trillion, forty-nine billion, four hundred twenty-four million, eight hundred four thousand, seven hundred twenty-eight".