475503794920 has 256 divisors, whose sum is σ = 1420291584000. Its totient is φ = 141764071680.

The previous prime is 475503794917. The next prime is 475503794921. The reversal of 475503794920 is 29497305574.

It is a super-2 number, since 2×475503794920² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is not an unprimeable number, because it can be changed into a prime (475503794921) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3402667 + ... + 3539653.

It is an arithmetic number, because the mean of its divisors is an integer number (5548014000).

Almost surely, 2^475503794920 is an apocalyptic number.

475503794920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 475503794920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (710145792000).

475503794920 is an abundant number, since it is smaller than the sum of its proper divisors (944787789080).

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

475503794920 is a wasteful number, since it uses less digits than its factorization.

475503794920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137053 (or 137035 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 55.

The spelling of 475503794920 in words is "four hundred seventy-five billion, five hundred three million, seven hundred ninety-four thousand, nine hundred twenty".