475863444 has 48 divisors (see below), whose sum is σ = 1409968000. Its totient is φ = 135960768.

The previous prime is 475863431. The next prime is 475863449. The reversal of 475863444 is 444368574.

475863444 is a `hidden beast` number, since 4 + 7 + 5 + 8 + 634 + 4 + 4 = 666.

It is a super-2 number, since 2×475863444² = 452892034671082272, 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 475863444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475863449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313969 + ... + 315480.

Almost surely, 2^475863444 is an apocalyptic number.

It is an amenable number.

475863444 is an abundant number, since it is smaller than the sum of its proper divisors (934104556).

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

475863444 is a wasteful number, since it uses less digits than its factorization.

475863444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629469 (or 629461 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 45.

The square root of 475863444 is about 21814.2944877894. The cubic root of 475863444 is about 780.7178598372.

The spelling of 475863444 in words is "four hundred seventy-five million, eight hundred sixty-three thousand, four hundred forty-four".