478335540 has 48 divisors (see below), whose sum is σ = 1341789120. Its totient is φ = 127322880.

The previous prime is 478335509. The next prime is 478335551. The reversal of 478335540 is 45533874.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 27135 + ... + 41145.

It is an arithmetic number, because the mean of its divisors is an integer number (27953940).

Almost surely, 2^478335540 is an apocalyptic number.

It is an amenable number.

478335540 is an abundant number, since it is smaller than the sum of its proper divisors (863453580).

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

478335540 is a wasteful number, since it uses less digits than its factorization.

478335540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14592 (or 14590 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

The square root of 478335540 is about 21870.8833840794. The cubic root of 478335540 is about 782.0674605975.

The spelling of 478335540 in words is "four hundred seventy-eight million, three hundred thirty-five thousand, five hundred forty".