471521395720 has 64 divisors (see below), whose sum is σ = 1070064943920. Its totient is φ = 186990034944.

The previous prime is 471521395703. The next prime is 471521395721. The reversal of 471521395720 is 27593125174.

It can be written as a sum of positive squares in 8 ways, for example, as 170052315876 + 301469079844 = 412374^2 + 549062^2 .

It is not an unprimeable number, because it can be changed into a prime (471521395721) 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 15 ways as a sum of consecutive naturals, for example, 2157732 + ... + 2366188.

Almost surely, 2^471521395720 is an apocalyptic number.

471521395720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

471521395720 is an abundant number, since it is smaller than the sum of its proper divisors (598543548200).

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

471521395720 is a wasteful number, since it uses less digits than its factorization.

471521395720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208954 (or 208950 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 46.

The spelling of 471521395720 in words is "four hundred seventy-one billion, five hundred twenty-one million, three hundred ninety-five thousand, seven hundred twenty".