65575234000 has 40 divisors (see below), whose sum is σ = 158560920648. Its totient is φ = 26230092800.

The previous prime is 65575233973. The next prime is 65575234007. The reversal of 65575234000 is 43257556.

It can be written as a sum of positive squares in 4 ways, for example, as 1105961536 + 64469272464 = 33256^2 + 253908^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×65575234000² (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 (65575234007) 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 7 ways as a sum of consecutive naturals, for example, 16391809 + ... + 16395808.

Almost surely, 2^65575234000 is an apocalyptic number.

It is an amenable number.

65575234000 is an abundant number, since it is smaller than the sum of its proper divisors (92985686648).

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

65575234000 is a wasteful number, since it uses less digits than its factorization.

65575234000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32787640 (or 32787624 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 37.

The spelling of 65575234000 in words is "sixty-five billion, five hundred seventy-five million, two hundred thirty-four thousand".