478949542 has 8 divisors (see below), whose sum is σ = 718533000. Its totient is φ = 239438544.

The previous prime is 478949519. The next prime is 478949557. The reversal of 478949542 is 245949874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 478949542.

It is a congruent number.

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, 3634 + ... + 31162.

It is an arithmetic number, because the mean of its divisors is an integer number (89816625).

Almost surely, 2^478949542 is an apocalyptic number.

478949542 is a deficient number, since it is larger than the sum of its proper divisors (239583458).

478949542 is a wasteful number, since it uses less digits than its factorization.

478949542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36230.

The product of its digits is 2903040, while the sum is 52.

The square root of 478949542 is about 21884.9158554471. The cubic root of 478949542 is about 782.4019438419.

The spelling of 478949542 in words is "four hundred seventy-eight million, nine hundred forty-nine thousand, five hundred forty-two".