40343200 has 72 divisors (see below), whose sum is σ = 99368640. Its totient is φ = 15993600.

The previous prime is 40343141. The next prime is 40343203. The reversal of 40343200 is 234304.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40343203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168681 + ... + 168919.

It is an arithmetic number, because the mean of its divisors is an integer number (1380120).

Almost surely, 2^40343200 is an apocalyptic number.

40343200 is a gapful number since it is divisible by the number (40) 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 40343200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49684320).

40343200 is an abundant number, since it is smaller than the sum of its proper divisors (59025440).

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

40343200 is a wasteful number, since it uses less digits than its factorization.

40343200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 40343200 is about 6351.6297121290. The cubic root of 40343200 is about 342.9705114514.

Adding to 40343200 its reverse (234304), we get a palindrome (40577504).

The spelling of 40343200 in words is "forty million, three hundred forty-three thousand, two hundred".