65244242030 has 64 divisors (see below), whose sum is σ = 135930389760. Its totient is φ = 22283788800.

The previous prime is 65244242017. The next prime is 65244242033. The reversal of 65244242030 is 3024244256.

It is a happy number.

It is a super-2 number, since 2×65244242030² (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 (65244242033) 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 31 ways as a sum of consecutive naturals, for example, 882641 + ... + 953699.

It is an arithmetic number, because the mean of its divisors is an integer number (2123912340).

Almost surely, 2^65244242030 is an apocalyptic number.

65244242030 is an abundant number, since it is smaller than the sum of its proper divisors (70686147730).

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

65244242030 is a wasteful number, since it uses less digits than its factorization.

65244242030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71585.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 65244242030 its reverse (3024244256), we get a palindrome (68268486286).

The spelling of 65244242030 in words is "sixty-five billion, two hundred forty-four million, two hundred forty-two thousand, thirty".