240343400 has 96 divisors (see below), whose sum is σ = 615898080. Its totient is φ = 86496000.

The previous prime is 240343381. The next prime is 240343409. The reversal of 240343400 is 4343042.

It is a happy number.

240343400 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (240343409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234890 + ... + 235910.

It is an arithmetic number, because the mean of its divisors is an integer number (6415605).

Almost surely, 2^240343400 is an apocalyptic number.

240343400 is a gapful number since it is divisible by the number (20) 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 240343400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307949040).

240343400 is an abundant number, since it is smaller than the sum of its proper divisors (375554680).

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

240343400 is a wasteful number, since it uses less digits than its factorization.

240343400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155 (or 1146 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 240343400 is about 15503.0126104574. The cubic root of 240343400 is about 621.7427553951.

Adding to 240343400 its reverse (4343042), we get a palindrome (244686442).

The spelling of 240343400 in words is "two hundred forty million, three hundred forty-three thousand, four hundred".