65362078400 has 84 divisors (see below), whose sum is σ = 161648747568. Its totient is φ = 26011991040.

The previous prime is 65362078381. The next prime is 65362078421. The reversal of 65362078400 is 487026356.

It is a happy number.

65362078400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211517 + ... + 418883.

It is an arithmetic number, because the mean of its divisors is an integer number (1924389852).

Almost surely, 2^65362078400 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 65362078400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80824373784).

65362078400 is an abundant number, since it is smaller than the sum of its proper divisors (96286669168).

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

65362078400 is a wasteful number, since it uses less digits than its factorization.

65362078400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207586 (or 207571 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 65362078400 in words is "sixty-five billion, three hundred sixty-two million, seventy-eight thousand, four hundred".