43200378 has 80 divisors (see below), whose sum is σ = 106051176. Its totient is φ = 13063680.

The previous prime is 43200373. The next prime is 43200403. The reversal of 43200378 is 87300234.

It can be written as a sum of positive squares in 4 ways, for example, as 34539129 + 8661249 = 5877^2 + 2943^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (43200373) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 153598 + ... + 153878.

Almost surely, 2^43200378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43200378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53025588).

43200378 is an abundant number, since it is smaller than the sum of its proper divisors (62850798).

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

43200378 is a wasteful number, since it uses less digits than its factorization.

43200378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 43200378 is about 6572.6994454334. The cubic root of 43200378 is about 350.8831519888.

The spelling of 43200378 in words is "forty-three million, two hundred thousand, three hundred seventy-eight".