478472445 has 48 divisors (see below), whose sum is σ = 933963264. Its totient is φ = 224496000.

The previous prime is 478472443. The next prime is 478472453. The reversal of 478472445 is 544274874.

It is not a de Polignac number, because 478472445 - 2¹ = 478472443 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 478472445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478472443) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 246 + ... + 30935.

It is an arithmetic number, because the mean of its divisors is an integer number (19457568).

Almost surely, 2^478472445 is an apocalyptic number.

478472445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

478472445 is a deficient number, since it is larger than the sum of its proper divisors (455490819).

478472445 is a wasteful number, since it uses less digits than its factorization.

478472445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31234 (or 31231 counting only the distinct ones).

The product of its digits is 1003520, while the sum is 45.

The square root of 478472445 is about 21874.0130063050. The cubic root of 478472445 is about 782.1420656418.

The spelling of 478472445 in words is "four hundred seventy-eight million, four hundred seventy-two thousand, four hundred forty-five".