65085342270 has 512 divisors, whose sum is σ = 194217246720. Its totient is φ = 13795246080.

The previous prime is 65085342269. The next prime is 65085342277. The reversal of 65085342270 is 7224358056.

It is a super-2 number, since 2×65085342270² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65085342277) 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 255 ways as a sum of consecutive naturals, for example, 512482947 + ... + 512483073.

It is an arithmetic number, because the mean of its divisors is an integer number (379330560).

Almost surely, 2^65085342270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65085342270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97108623360).

65085342270 is an abundant number, since it is smaller than the sum of its proper divisors (129131904450).

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

65085342270 is a wasteful number, since it uses less digits than its factorization.

65085342270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320.

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 65085342270 in words is "sixty-five billion, eighty-five million, three hundred forty-two thousand, two hundred seventy".