4194369378 has 80 divisors (see below), whose sum is σ = 10123762176. Its totient is φ = 1294159680.

The previous prime is 4194369371. The next prime is 4194369391. The reversal of 4194369378 is 8739634914.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (4194369371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 97350 + ... + 133662.

Almost surely, 2^4194369378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4194369378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5061881088).

4194369378 is an abundant number, since it is smaller than the sum of its proper divisors (5929392798).

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

4194369378 is a wasteful number, since it uses less digits than its factorization.

4194369378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36381 (or 36372 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 4194369378 is about 64763.9512228832. The cubic root of 4194369378 is about 1612.7073230454.

The spelling of 4194369378 in words is "four billion, one hundred ninety-four million, three hundred sixty-nine thousand, three hundred seventy-eight".