478642029 has 8 divisors (see below), whose sum is σ = 665936832. Its totient is φ = 305220960.

The previous prime is 478642019. The next prime is 478642033. The reversal of 478642029 is 920246874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 478642029 - 2⁵ = 478641997 is a prime.

It is a super-3 number, since 3×478642029³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478642019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3468352 + ... + 3468489.

It is an arithmetic number, because the mean of its divisors is an integer number (83242104).

Almost surely, 2^478642029 is an apocalyptic number.

It is an amenable number.

478642029 is a deficient number, since it is larger than the sum of its proper divisors (187294803).

478642029 is a wasteful number, since it uses less digits than its factorization.

478642029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6936867.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 478642029 is about 21877.8890435069. The cubic root of 478642029 is about 782.2344590591.

The spelling of 478642029 in words is "four hundred seventy-eight million, six hundred forty-two thousand, twenty-nine".