478005540 has 24 divisors (see below), whose sum is σ = 1338415680. Its totient is φ = 127468128.

The previous prime is 478005509. The next prime is 478005547. The reversal of 478005540 is 45500874.

It is not an unprimeable number, because it can be changed into a prime (478005547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3983320 + ... + 3983439.

It is an arithmetic number, because the mean of its divisors is an integer number (55767320).

Almost surely, 2^478005540 is an apocalyptic number.

It is an amenable number.

478005540 is an abundant number, since it is smaller than the sum of its proper divisors (860410140).

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

478005540 is a wasteful number, since it uses less digits than its factorization.

478005540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7966771 (or 7966769 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 478005540 is about 21863.3378055593. The cubic root of 478005540 is about 781.8875717866.

The spelling of 478005540 in words is "four hundred seventy-eight million, five thousand, five hundred forty".