378129480 has 64 divisors (see below), whose sum is σ = 1145439360. Its totient is φ = 99852288.

The previous prime is 378129473. The next prime is 378129503. The reversal of 378129480 is 84921873.

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, 2937 + ... + 27656.

It is an arithmetic number, because the mean of its divisors is an integer number (17897490).

Almost surely, 2^378129480 is an apocalyptic number.

378129480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 378129480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (572719680).

378129480 is an abundant number, since it is smaller than the sum of its proper divisors (767309880).

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

378129480 is a wasteful number, since it uses less digits than its factorization.

378129480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30710 (or 30706 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 378129480 is about 19445.5516764118. The cubic root of 378129480 is about 723.1252267646.

The spelling of 378129480 in words is "three hundred seventy-eight million, one hundred twenty-nine thousand, four hundred eighty".