380312478 has 96 divisors (see below), whose sum is σ = 1027353600. Its totient is φ = 98998848.

The previous prime is 380312453. The next prime is 380312497. The reversal of 380312478 is 874213083.

380312478 is a `hidden beast` number, since 380 + 31 + 247 + 8 = 666.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 127933 + ... + 130871.

It is an arithmetic number, because the mean of its divisors is an integer number (10701600).

Almost surely, 2^380312478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 380312478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (513676800).

380312478 is an abundant number, since it is smaller than the sum of its proper divisors (647041122).

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

380312478 is a wasteful number, since it uses less digits than its factorization.

380312478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3046 (or 3043 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 380312478 is about 19501.6019342002. The cubic root of 380312478 is about 724.5141274088.

The spelling of 380312478 in words is "three hundred eighty million, three hundred twelve thousand, four hundred seventy-eight".