65424562560 has 768 divisors, whose sum is σ = 282291609600. Its totient is φ = 13616087040.

The previous prime is 65424562549. The next prime is 65424562561. The reversal of 65424562560 is 6526542456.

65424562560 is a `hidden beast` number, since 6 + 5 + 4 + 24 + 5 + 62 + 560 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65424562561) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 21247101 + ... + 21250179.

It is an arithmetic number, because the mean of its divisors is an integer number (367567200).

Almost surely, 2^65424562560 is an apocalyptic number.

65424562560 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 65424562560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141145804800).

65424562560 is an abundant number, since it is smaller than the sum of its proper divisors (216867047040).

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

65424562560 is a wasteful number, since it uses less digits than its factorization.

65424562560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3159 (or 3144 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 45.

The spelling of 65424562560 in words is "sixty-five billion, four hundred twenty-four million, five hundred sixty-two thousand, five hundred sixty".