478316090 has 32 divisors (see below), whose sum is σ = 1006853760. Its totient is φ = 160179264.

The previous prime is 478316087. The next prime is 478316107. The reversal of 478316090 is 90613874.

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, 76445 + ... + 82464.

It is an arithmetic number, because the mean of its divisors is an integer number (31464180).

Almost surely, 2^478316090 is an apocalyptic number.

478316090 is an abundant number, since it is smaller than the sum of its proper divisors (528537670).

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

478316090 is a wasteful number, since it uses less digits than its factorization.

478316090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158966.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 478316090 is about 21870.4387244518. The cubic root of 478316090 is about 782.0568603549.

The spelling of 478316090 in words is "four hundred seventy-eight million, three hundred sixteen thousand, ninety".