478140554 has 16 divisors (see below), whose sum is σ = 728709696. Its totient is φ = 235250400.

The previous prime is 478140511. The next prime is 478140571. The reversal of 478140554 is 455041874.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78134 + ... + 84030.

It is an arithmetic number, because the mean of its divisors is an integer number (45544356).

Almost surely, 2^478140554 is an apocalyptic number.

478140554 is a deficient number, since it is larger than the sum of its proper divisors (250569142).

478140554 is a wasteful number, since it uses less digits than its factorization.

478140554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6541.

The product of its (nonzero) digits is 89600, while the sum is 38.

The square root of 478140554 is about 21866.4252679765. The cubic root of 478140554 is about 781.9611802997.

The spelling of 478140554 in words is "four hundred seventy-eight million, one hundred forty thousand, five hundred fifty-four".