65040512200 has 48 divisors (see below), whose sum is σ = 151237820160. Its totient is φ = 26013000000.

The previous prime is 65040512189. The next prime is 65040512213. The reversal of 65040512200 is 221504056.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2247825 + ... + 2276575.

It is an arithmetic number, because the mean of its divisors is an integer number (3150787920).

Almost surely, 2^65040512200 is an apocalyptic number.

It is an amenable number.

65040512200 is an abundant number, since it is smaller than the sum of its proper divisors (86197307960).

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

65040512200 is a wasteful number, since it uses less digits than its factorization.

65040512200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40078 (or 40069 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 65040512200 in words is "sixty-five billion, forty million, five hundred twelve thousand, two hundred".