473638591872 has 192 divisors, whose sum is σ = 1377133954560. Its totient is φ = 156239047680.

The previous prime is 473638591831. The next prime is 473638591883. The reversal of 473638591872 is 278195836374.

473638591872 is a `hidden beast` number, since 4 + 7 + 3 + 6 + 38 + 591 + 8 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 186250633 + ... + 186253175.

It is an arithmetic number, because the mean of its divisors is an integer number (7172572680).

Almost surely, 2^473638591872 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 473638591872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (688566977280).

473638591872 is an abundant number, since it is smaller than the sum of its proper divisors (903495362688).

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

473638591872 is a wasteful number, since it uses less digits than its factorization.

473638591872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4181 (or 4166 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 63.

The spelling of 473638591872 in words is "four hundred seventy-three billion, six hundred thirty-eight million, five hundred ninety-one thousand, eight hundred seventy-two".