65080320 has 176 divisors, whose sum is σ = 220093440. Its totient is φ = 16367616.

The previous prime is 65080297. The next prime is 65080331. The reversal of 65080320 is 2308056.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291729 + ... + 291951.

Almost surely, 2^65080320 is an apocalyptic number.

65080320 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 65080320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110046720).

65080320 is an abundant number, since it is smaller than the sum of its proper divisors (155013120).

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

65080320 is a wasteful number, since it uses less digits than its factorization.

65080320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 65080320 is about 8067.2374453712. The cubic root of 65080320 is about 402.2381203533.

Adding to 65080320 its reverse (2308056), we get a palindrome (67388376).

The spelling of 65080320 in words is "sixty-five million, eighty thousand, three hundred twenty".