471731646340 has 96 divisors (see below), whose sum is σ = 1041971454720. Its totient is φ = 179049885696.

The previous prime is 471731646301. The next prime is 471731646343. The reversal of 471731646340 is 43646137174.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (471731646343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42658092 + ... + 42669148.

It is an arithmetic number, because the mean of its divisors is an integer number (10853869320).

Almost surely, 2^471731646340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 471731646340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520985727360).

471731646340 is an abundant number, since it is smaller than the sum of its proper divisors (570239808380).

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

471731646340 is a wasteful number, since it uses less digits than its factorization.

471731646340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11821 (or 11819 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 46.

The spelling of 471731646340 in words is "four hundred seventy-one billion, seven hundred thirty-one million, six hundred forty-six thousand, three hundred forty".