478421662932 has 36 divisors (see below), whose sum is σ = 1211212862496. Its totient is φ = 159227397840.

The previous prime is 478421662931. The next prime is 478421662933. The reversal of 478421662932 is 239266124874.

It is a happy number.

478421662932 is a `hidden beast` number, since 4 + 7 + 8 + 4 + 2 + 1 + 6 + 629 + 3 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (478421662931) and next prime (478421662933).

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478421662931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10246794 + ... + 10293377.

It is an arithmetic number, because the mean of its divisors is an integer number (33644801736).

Almost surely, 2^478421662932 is an apocalyptic number.

It is an amenable number.

478421662932 is an abundant number, since it is smaller than the sum of its proper divisors (732791199564).

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

478421662932 is a wasteful number, since it uses less digits than its factorization.

478421662932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20540828 (or 20540823 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The spelling of 478421662932 in words is "four hundred seventy-eight billion, four hundred twenty-one million, six hundred sixty-two thousand, nine hundred thirty-two".