382478144840 has 128 divisors (see below), whose sum is σ = 962772531840. Its totient is φ = 135540480000.

The previous prime is 382478144833. The next prime is 382478144869. The reversal of 382478144840 is 48441874283.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16964375 + ... + 16986905.

It is an arithmetic number, because the mean of its divisors is an integer number (7521660405).

Almost surely, 2^382478144840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 382478144840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (481386265920).

382478144840 is an abundant number, since it is smaller than the sum of its proper divisors (580294387000).

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

382478144840 is a wasteful number, since it uses less digits than its factorization.

382478144840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23535 (or 23531 counting only the distinct ones).

The product of its (nonzero) digits is 5505024, while the sum is 53.

The spelling of 382478144840 in words is "three hundred eighty-two billion, four hundred seventy-eight million, one hundred forty-four thousand, eight hundred forty".