647950045320 has 96 divisors (see below), whose sum is σ = 2105967427200. Its totient is φ = 172776030336.

The previous prime is 647950045313. The next prime is 647950045321. The reversal of 647950045320 is 23540059746.

647950045320 is a `hidden beast` number, since 6 + 4 + 79 + 500 + 4 + 53 + 20 = 666.

It is a super-2 number, since 2×647950045320² (a number of 24 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (647950045321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7060449 + ... + 7151631.

It is an arithmetic number, because the mean of its divisors is an integer number (21937160700).

Almost surely, 2^647950045320 is an apocalyptic number.

647950045320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

647950045320 is an abundant number, since it is smaller than the sum of its proper divisors (1458017381880).

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

647950045320 is a wasteful number, since it uses less digits than its factorization.

647950045320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110939 (or 110932 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 647950045320 in words is "six hundred forty-seven billion, nine hundred fifty million, forty-five thousand, three hundred twenty".