471720645340 has 48 divisors (see below), whose sum is σ = 1132413714432. Its totient is φ = 161692197696.

The previous prime is 471720645337. The next prime is 471720645433. The reversal of 471720645340 is 43546027174.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139557 + ... + 981283.

It is an arithmetic number, because the mean of its divisors is an integer number (23591952384).

Almost surely, 2^471720645340 is an apocalyptic number.

It is an amenable number.

471720645340 is an abundant number, since it is smaller than the sum of its proper divisors (660693069092).

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

471720645340 is a wasteful number, since it uses less digits than its factorization.

471720645340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845746 (or 845744 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 43.

The spelling of 471720645340 in words is "four hundred seventy-one billion, seven hundred twenty million, six hundred forty-five thousand, three hundred forty".