475434799074816 has 640 divisors, whose sum is σ = 1492650478826496. Its totient is φ = 131673733201920.

The previous prime is 475434799074803. The next prime is 475434799074847. The reversal of 475434799074816 is 618470997434574.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20412800131 + ... + 20412823421.

Almost surely, 2^{475434799074816} 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 475434799074816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (746325239413248).

475434799074816 is an abundant number, since it is smaller than the sum of its proper divisors (1017215679751680).

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

475434799074816 is a wasteful number, since it uses less digits than its factorization.

475434799074816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23802 (or 23786 counting only the distinct ones).

The product of its (nonzero) digits is 5120962560, while the sum is 78.

The spelling of 475434799074816 in words is "four hundred seventy-five trillion, four hundred thirty-four billion, seven hundred ninety-nine million, seventy-four thousand, eight hundred sixteen".