475531438 has 8 divisors (see below), whose sum is σ = 713525040. Its totient is φ = 237689760.

The previous prime is 475531421. The next prime is 475531439. The reversal of 475531438 is 834135574.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×475531438² = 452260297052695688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 475531438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475531439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29803 + ... + 42886.

It is an arithmetic number, because the mean of its divisors is an integer number (89190630).

Almost surely, 2^475531438 is an apocalyptic number.

475531438 is a deficient number, since it is larger than the sum of its proper divisors (237993602).

475531438 is a wasteful number, since it uses less digits than its factorization.

475531438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75962.

The product of its digits is 201600, while the sum is 40.

The square root of 475531438 is about 21806.6833333270. The cubic root of 475531438 is about 780.5362507911.

The spelling of 475531438 in words is "four hundred seventy-five million, five hundred thirty-one thousand, four hundred thirty-eight".