40242235 has 16 divisors (see below), whose sum is σ = 52819200. Its totient is φ = 29190240.

The previous prime is 40242233. The next prime is 40242239. The reversal of 40242235 is 53224204.

It is not a de Polignac number, because 40242235 - 2¹ = 40242233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40242233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28066 + ... + 29464.

It is an arithmetic number, because the mean of its divisors is an integer number (3301200).

Almost surely, 2^40242235 is an apocalyptic number.

40242235 is a deficient number, since it is larger than the sum of its proper divisors (12576965).

40242235 is a wasteful number, since it uses less digits than its factorization.

40242235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 40242235 is about 6343.6767729764. The cubic root of 40242235 is about 342.6841604661.

Adding to 40242235 its reverse (53224204), we get a palindrome (93466439).

The spelling of 40242235 in words is "forty million, two hundred forty-two thousand, two hundred thirty-five".