378140280 has 384 divisors, whose sum is σ = 1448409600. Its totient is φ = 77220864.

The previous prime is 378140227. The next prime is 378140317. The reversal of 378140280 is 82041873.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8793939 + ... + 8793981.

It is an arithmetic number, because the mean of its divisors is an integer number (3771900).

Almost surely, 2^378140280 is an apocalyptic number.

378140280 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 378140280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (724204800).

378140280 is an abundant number, since it is smaller than the sum of its proper divisors (1070269320).

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

378140280 is a wasteful number, since it uses less digits than its factorization.

378140280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 378140280 is about 19445.8293729015. The cubic root of 378140280 is about 723.1321112478.

The spelling of 378140280 in words is "three hundred seventy-eight million, one hundred forty thousand, two hundred eighty".