65485028448 has 288 divisors, whose sum is σ = 223490625120. Its totient is φ = 18599777280.

The previous prime is 65485028429. The next prime is 65485028461. The reversal of 65485028448 is 84482058456.

65485028448 is a `hidden beast` number, since 6 + 54 + 8 + 502 + 84 + 4 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 65485028394 and 65485028403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7319658 + ... + 7328598.

It is an arithmetic number, because the mean of its divisors is an integer number (776009115).

Almost surely, 2^65485028448 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 65485028448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111745312560).

65485028448 is an abundant number, since it is smaller than the sum of its proper divisors (158005596672).

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

65485028448 is a wasteful number, since it uses less digits than its factorization.

65485028448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9147 (or 9126 counting only the distinct ones).

The product of its (nonzero) digits is 9830400, while the sum is 54.

The spelling of 65485028448 in words is "sixty-five billion, four hundred eighty-five million, twenty-eight thousand, four hundred forty-eight".