478161590 has 8 divisors (see below), whose sum is σ = 860690880. Its totient is φ = 191264632.

The previous prime is 478161587. The next prime is 478161613. The reversal of 478161590 is 95161874.

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

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, 23908070 + ... + 23908089.

It is an arithmetic number, because the mean of its divisors is an integer number (107586360).

Almost surely, 2^478161590 is an apocalyptic number.

478161590 is a deficient number, since it is larger than the sum of its proper divisors (382529290).

478161590 is a wasteful number, since it uses less digits than its factorization.

478161590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47816166.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 478161590 is about 21866.9062740937. The cubic root of 478161590 is about 781.9726477047.

The spelling of 478161590 in words is "four hundred seventy-eight million, one hundred sixty-one thousand, five hundred ninety".