478151420 has 24 divisors (see below), whose sum is σ = 1038744000. Its totient is φ = 184665152.

The previous prime is 478151419. The next prime is 478151437. The reversal of 478151420 is 24151874.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411620 + ... + 412779.

It is an arithmetic number, because the mean of its divisors is an integer number (43281000).

Almost surely, 2^478151420 is an apocalyptic number.

It is an amenable number.

478151420 is an abundant number, since it is smaller than the sum of its proper divisors (560592580).

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

478151420 is a wasteful number, since it uses less digits than its factorization.

478151420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824437 (or 824435 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 478151420 is about 21866.6737296737. The cubic root of 478151420 is about 781.9671037502.

The spelling of 478151420 in words is "four hundred seventy-eight million, one hundred fifty-one thousand, four hundred twenty".