478235532 has 12 divisors (see below), whose sum is σ = 1115882936. Its totient is φ = 159411840.

The previous prime is 478235467. The next prime is 478235539. The reversal of 478235532 is 235532874.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (478235539) 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, 19926469 + ... + 19926492.

Almost surely, 2^478235532 is an apocalyptic number.

It is an amenable number.

478235532 is an abundant number, since it is smaller than the sum of its proper divisors (637647404).

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

478235532 is a wasteful number, since it uses less digits than its factorization.

478235532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39852968 (or 39852966 counting only the distinct ones).

The product of its digits is 201600, while the sum is 39.

The square root of 478235532 is about 21868.5969371608. The cubic root of 478235532 is about 782.0129532154.

The spelling of 478235532 in words is "four hundred seventy-eight million, two hundred thirty-five thousand, five hundred thirty-two".