378417380 has 48 divisors (see below), whose sum is σ = 869593536. Its totient is φ = 137182080.

The previous prime is 378417373. The next prime is 378417401. The reversal of 378417380 is 83714873.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73862 + ... + 78818.

It is an arithmetic number, because the mean of its divisors is an integer number (18116532).

Almost surely, 2^378417380 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 378417380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (434796768).

378417380 is an abundant number, since it is smaller than the sum of its proper divisors (491176156).

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

378417380 is a wasteful number, since it uses less digits than its factorization.

378417380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5324 (or 5322 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 378417380 is about 19452.9529891994. The cubic root of 378417380 is about 723.3087044264.

The spelling of 378417380 in words is "three hundred seventy-eight million, four hundred seventeen thousand, three hundred eighty".