65352844032 has 288 divisors, whose sum is σ = 203275505664. Its totient is φ = 18254745600.

The previous prime is 65352844027. The next prime is 65352844111. The reversal of 65352844032 is 23044825356.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50001523 + ... + 50002829.

It is an arithmetic number, because the mean of its divisors is an integer number (705817728).

Almost surely, 2^65352844032 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 65352844032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101637752832).

65352844032 is an abundant number, since it is smaller than the sum of its proper divisors (137922661632).

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

65352844032 is a wasteful number, since it uses less digits than its factorization.

65352844032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535 (or 1521 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 65352844032 in words is "sixty-five billion, three hundred fifty-two million, eight hundred forty-four thousand, thirty-two".