473776639820 has 288 divisors, whose sum is σ = 1169664427008. Its totient is φ = 160726720000.

The previous prime is 473776639771. The next prime is 473776639859. The reversal of 473776639820 is 28936677374.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 399137267 + ... + 399138453.

It is an arithmetic number, because the mean of its divisors is an integer number (4061334816).

Almost surely, 2^473776639820 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 473776639820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (584832213504).

473776639820 is an abundant number, since it is smaller than the sum of its proper divisors (695887787188).

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

473776639820 is a wasteful number, since it uses less digits than its factorization.

473776639820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413 (or 1400 counting only the distinct ones).

The product of its (nonzero) digits is 64012032, while the sum is 62.

The spelling of 473776639820 in words is "four hundred seventy-three billion, seven hundred seventy-six million, six hundred thirty-nine thousand, eight hundred twenty".