378750280 has 64 divisors (see below), whose sum is σ = 870595200. Its totient is φ = 148262400.

The previous prime is 378750277. The next prime is 378750311. The reversal of 378750280 is 82057873.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 440491 + ... + 441349.

It is an arithmetic number, because the mean of its divisors is an integer number (13603050).

Almost surely, 2^378750280 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 378750280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435297600).

378750280 is an abundant number, since it is smaller than the sum of its proper divisors (491844920).

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

378750280 is a wasteful number, since it uses less digits than its factorization.

378750280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094 (or 1090 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 378750280 is about 19461.5076497172. The cubic root of 378750280 is about 723.5207444525.

The spelling of 378750280 in words is "three hundred seventy-eight million, seven hundred fifty thousand, two hundred eighty".