65530727460 has 576 divisors, whose sum is σ = 231662592000. Its totient is φ = 15359984640.

The previous prime is 65530727443. The next prime is 65530727467. The reversal of 65530727460 is 6472703556.

65530727460 is a `hidden beast` number, since 6 + 5 + 530 + 72 + 7 + 46 + 0 = 666.

65530727460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (65530727467) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 439803466 + ... + 439803614.

It is an arithmetic number, because the mean of its divisors is an integer number (402192000).

Almost surely, 2^65530727460 is an apocalyptic number.

65530727460 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 65530727460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115831296000).

65530727460 is an abundant number, since it is smaller than the sum of its proper divisors (166131864540).

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

65530727460 is a wasteful number, since it uses less digits than its factorization.

65530727460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 45.

The spelling of 65530727460 in words is "sixty-five billion, five hundred thirty million, seven hundred twenty-seven thousand, four hundred sixty".