40243235 has 24 divisors (see below), whose sum is σ = 52699920. Its totient is φ = 29398464.

The previous prime is 40243223. The next prime is 40243243. The reversal of 40243235 is 53234204.

It is not a de Polignac number, because 40243235 - 2⁶ = 40243171 is a prime.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 40243235.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 376052 + ... + 376158.

It is an arithmetic number, because the mean of its divisors is an integer number (2195830).

Almost surely, 2^40243235 is an apocalyptic number.

40243235 is a deficient number, since it is larger than the sum of its proper divisors (12456685).

40243235 is a wasteful number, since it uses less digits than its factorization.

40243235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 40243235 is about 6343.7555911305. The cubic root of 40243235 is about 342.6869989542.

Adding to 40243235 its reverse (53234204), we get a palindrome (93477439).

The spelling of 40243235 in words is "forty million, two hundred forty-three thousand, two hundred thirty-five".