65065098400 has 36 divisors (see below), whose sum is σ = 158840173422. Its totient is φ = 26026039040.

The previous prime is 65065098331. The next prime is 65065098409. The reversal of 65065098400 is 489056056.

It can be written as a sum of positive squares in 3 ways, for example, as 60995168784 + 4069929616 = 246972^2 + 63796^2 .

It is not an unprimeable number, because it can be changed into a prime (65065098409) 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 5 ways as a sum of consecutive naturals, for example, 40664887 + ... + 40666486.

Almost surely, 2^65065098400 is an apocalyptic number.

It is an amenable number.

65065098400 is an abundant number, since it is smaller than the sum of its proper divisors (93775075022).

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

65065098400 is a wasteful number, since it uses less digits than its factorization.

65065098400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81331393 (or 81331380 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 65065098400 in words is "sixty-five billion, sixty-five million, ninety-eight thousand, four hundred".