478452388 has 12 divisors (see below), whose sum is σ = 864301312. Its totient is φ = 231509160.

The previous prime is 478452383. The next prime is 478452413. The reversal of 478452388 is 883254874.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (478452383) 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, 1929120 + ... + 1929367.

Almost surely, 2^478452388 is an apocalyptic number.

It is an amenable number.

478452388 is a deficient number, since it is larger than the sum of its proper divisors (385848924).

478452388 is a wasteful number, since it uses less digits than its factorization.

478452388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3858522 (or 3858520 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 49.

The square root of 478452388 is about 21873.5545351001. The cubic root of 478452388 is about 782.1311366651.

The spelling of 478452388 in words is "four hundred seventy-eight million, four hundred fifty-two thousand, three hundred eighty-eight".