65485958800 has 120 divisors (see below), whose sum is σ = 164898927936. Its totient is φ = 24944325120.

The previous prime is 65485958779. The next prime is 65485958803. The reversal of 65485958800 is 885958456.

It is not an unprimeable number, because it can be changed into a prime (65485958803) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2072722 + ... + 2104078.

Almost surely, 2^65485958800 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65485958800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82449463968).

65485958800 is an abundant number, since it is smaller than the sum of its proper divisors (99412969136).

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

65485958800 is a wasteful number, since it uses less digits than its factorization.

65485958800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31625 (or 31614 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 58.

The spelling of 65485958800 in words is "sixty-five billion, four hundred eighty-five million, nine hundred fifty-eight thousand, eight hundred".