65241806080 has 108 divisors (see below), whose sum is σ = 171773220276. Its totient is φ = 23724236800.

The previous prime is 65241806053. The next prime is 65241806081. The reversal of 65241806080 is 8060814256.

It can be written as a sum of positive squares in 2 ways, for example, as 37344789504 + 27897016576 = 193248^2 + 167024^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65241806081) 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 11 ways as a sum of consecutive naturals, for example, 55741 + ... + 365500.

Almost surely, 2^65241806080 is an apocalyptic number.

It is an amenable number.

65241806080 is an abundant number, since it is smaller than the sum of its proper divisors (106531414196).

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

65241806080 is a wasteful number, since it uses less digits than its factorization.

65241806080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421284 (or 421259 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 65241806080 in words is "sixty-five billion, two hundred forty-one million, eight hundred six thousand, eighty".