65330228880 has 240 divisors, whose sum is σ = 265493614464. Its totient is φ = 14054215680.

The previous prime is 65330228879. The next prime is 65330228903. The reversal of 65330228880 is 8882203356.

65330228880 is a `hidden beast` number, since 65 + 3 + 302 + 288 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

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 47 ways as a sum of consecutive naturals, for example, 295566 + ... + 466925.

Almost surely, 2^65330228880 is an apocalyptic number.

65330228880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65330228880 is an abundant number, since it is smaller than the sum of its proper divisors (200163385584).

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

65330228880 is a wasteful number, since it uses less digits than its factorization.

65330228880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762534 (or 762525 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 65330228880 in words is "sixty-five billion, three hundred thirty million, two hundred twenty-eight thousand, eight hundred eighty".