471520621000 has 256 divisors, whose sum is σ = 1309127339520. Its totient is φ = 156700800000.

The previous prime is 471520620959. The next prime is 471520621001. The reversal of 471520621000 is 126025174.

It is a self number, because there is not a number n which added to its sum of digits gives 471520621000.

It is not an unprimeable number, because it can be changed into a prime (471520621001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14426677 + ... + 14459323.

It is an arithmetic number, because the mean of its divisors is an integer number (5113778670).

Almost surely, 2^471520621000 is an apocalyptic number.

471520621000 is a gapful number since it is divisible by the number (40) 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 471520621000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (654563669760).

471520621000 is an abundant number, since it is smaller than the sum of its proper divisors (837606718520).

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

471520621000 is a wasteful number, since it uses less digits than its factorization.

471520621000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32793 (or 32779 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

Adding to 471520621000 its reverse (126025174), we get a palindrome (471646646174).

The spelling of 471520621000 in words is "four hundred seventy-one billion, five hundred twenty million, six hundred twenty-one thousand".