65422038528 has 480 divisors, whose sum is σ = 244156872960. Its totient is φ = 16990248960.

The previous prime is 65422038491. The next prime is 65422038529. The reversal of 65422038528 is 82583022456.

65422038528 is a `hidden beast` number, since 6 + 542 + 2 + 0 + 3 + 85 + 28 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65422038529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9576618 + ... + 9583446.

It is an arithmetic number, because the mean of its divisors is an integer number (508660152).

Almost surely, 2^65422038528 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 65422038528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122078436480).

65422038528 is an abundant number, since it is smaller than the sum of its proper divisors (178734834432).

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

65422038528 is an equidigital number, since it uses as much as digits as its factorization.

65422038528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6880 (or 6852 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The spelling of 65422038528 in words is "sixty-five billion, four hundred twenty-two million, thirty-eight thousand, five hundred twenty-eight".