478549512 has 64 divisors (see below), whose sum is σ = 1519209600. Its totient is φ = 136728000.

The previous prime is 478549501. The next prime is 478549549. The reversal of 478549512 is 215945874.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156739 + ... + 159762.

It is an arithmetic number, because the mean of its divisors is an integer number (23737650).

Almost surely, 2^478549512 is an apocalyptic number.

478549512 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

478549512 is an abundant number, since it is smaller than the sum of its proper divisors (1040660088).

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

478549512 is a wasteful number, since it uses less digits than its factorization.

478549512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316523 (or 316513 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 478549512 is about 21875.7745462875. The cubic root of 478549512 is about 782.1840562916.

The spelling of 478549512 in words is "four hundred seventy-eight million, five hundred forty-nine thousand, five hundred twelve".