478780632 has 80 divisors (see below), whose sum is σ = 1462962600. Its totient is φ = 145082880.

The previous prime is 478780609. The next prime is 478780637. The reversal of 478780632 is 236087874.

It is a happy number.

478780632 is a `hidden beast` number, since 4 + 7 + 8 + 7 + 8 + 0 + 632 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478780637) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26457 + ... + 40712.

Almost surely, 2^478780632 is an apocalyptic number.

It is an amenable number.

478780632 is an abundant number, since it is smaller than the sum of its proper divisors (984181968).

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

478780632 is a wasteful number, since it uses less digits than its factorization.

478780632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67198 (or 67185 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 478780632 is about 21881.0564644397. The cubic root of 478780632 is about 782.3099570810.

The spelling of 478780632 in words is "four hundred seventy-eight million, seven hundred eighty thousand, six hundred thirty-two".