475343440 has 160 divisors (see below), whose sum is σ = 1334664576. Its totient is φ = 155105280.

The previous prime is 475343423. The next prime is 475343447. The reversal of 475343440 is 44343574.

It is a junction number, because it is equal to n+sod(n) for n = 475343396 and 475343405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475343447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 422719 + ... + 423841.

Almost surely, 2^475343440 is an apocalyptic number.

475343440 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 475343440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (667332288).

475343440 is an abundant number, since it is smaller than the sum of its proper divisors (859321136).

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

475343440 is a wasteful number, since it uses less digits than its factorization.

475343440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197 (or 1191 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 34.

The square root of 475343440 is about 21802.3723479808. The cubic root of 475343440 is about 780.4333773993.

The spelling of 475343440 in words is "four hundred seventy-five million, three hundred forty-three thousand, four hundred forty".