40343230 has 16 divisors (see below), whose sum is σ = 72911664. Its totient is φ = 16072000.

The previous prime is 40343207. The next prime is 40343239. The reversal of 40343230 is 3234304.

It is a junction number, because it is equal to n+sod(n) for n = 40343198 and 40343207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40343239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5527 + ... + 10546.

It is an arithmetic number, because the mean of its divisors is an integer number (4556979).

Almost surely, 2^40343230 is an apocalyptic number.

40343230 is a deficient number, since it is larger than the sum of its proper divisors (32568434).

40343230 is a wasteful number, since it uses less digits than its factorization.

40343230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16331.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 40343230 is about 6351.6320737272. The cubic root of 40343230 is about 342.9705964646.

Adding to 40343230 its reverse (3234304), we get a palindrome (43577534).

The spelling of 40343230 in words is "forty million, three hundred forty-three thousand, two hundred thirty".