65344294080 has 784 divisors, whose sum is σ = 260253967680. Its totient is φ = 15509200896.

The previous prime is 65344294073. The next prime is 65344294097. The reversal of 65344294080 is 8049244356.

65344294080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 87946189 + ... + 87946931.

Almost surely, 2^65344294080 is an apocalyptic number.

65344294080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65344294080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130126983840).

65344294080 is an abundant number, since it is smaller than the sum of its proper divisors (194909673600).

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

65344294080 is a wasteful number, since it uses less digits than its factorization.

65344294080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820 (or 795 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 65344294080 in words is "sixty-five billion, three hundred forty-four million, two hundred ninety-four thousand, eighty".