475081423830 has 256 divisors, whose sum is σ = 1393080192000. Its totient is φ = 114502781952.

The previous prime is 475081423813. The next prime is 475081423877. The reversal of 475081423830 is 38324180574.

475081423830 is a `hidden beast` number, since 4 + 75 + 0 + 81 + 423 + 83 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 35609301 + ... + 35622639.

It is an arithmetic number, because the mean of its divisors is an integer number (5441719500).

Almost surely, 2^475081423830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 475081423830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (696540096000).

475081423830 is an abundant number, since it is smaller than the sum of its proper divisors (917998768170).

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

475081423830 is a wasteful number, since it uses less digits than its factorization.

475081423830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13580 (or 13574 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 475081423830 in words is "four hundred seventy-five billion, eighty-one million, four hundred twenty-three thousand, eight hundred thirty".