378811320 has 128 divisors (see below), whose sum is σ = 1188864000. Its totient is φ = 96445440.

The previous prime is 378811309. The next prime is 378811333. The reversal of 378811320 is 23118873.

It is a congruent 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, 293236 + ... + 294524.

It is an arithmetic number, because the mean of its divisors is an integer number (9288000).

Almost surely, 2^378811320 is an apocalyptic number.

378811320 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 378811320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (594432000).

378811320 is an abundant number, since it is smaller than the sum of its proper divisors (810052680).

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

378811320 is a wasteful number, since it uses less digits than its factorization.

378811320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413 (or 1409 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 378811320 is about 19463.0758103646. The cubic root of 378811320 is about 723.5596102842.

The spelling of 378811320 in words is "three hundred seventy-eight million, eight hundred eleven thousand, three hundred twenty".