478080040 has 16 divisors (see below), whose sum is σ = 1075680180. Its totient is φ = 191232000.

The previous prime is 478080023. The next prime is 478080073. The reversal of 478080040 is 40080874.

It can be written as a sum of positive squares in 2 ways, for example, as 385651044 + 92428996 = 19638^2 + 9614^2 .

It is a junction number, because it is equal to n+sod(n) for n = 478079984 and 478080011.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5975961 + ... + 5976040.

Almost surely, 2^478080040 is an apocalyptic number.

478080040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

478080040 is an abundant number, since it is smaller than the sum of its proper divisors (597600140).

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

478080040 is a wasteful number, since it uses less digits than its factorization.

478080040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11952012 (or 11952008 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 478080040 is about 21865.0415046485. The cubic root of 478080040 is about 781.9281902825.

The spelling of 478080040 in words is "four hundred seventy-eight million, eighty thousand, forty".