40235293 has 16 divisors (see below), whose sum is σ = 48597120. Its totient is φ = 32541696.

The previous prime is 40235291. The next prime is 40235323. The reversal of 40235293 is 39253204.

It is a cyclic number.

It is not a de Polignac number, because 40235293 - 2¹ = 40235291 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40235291) 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, 46521 + ... + 47377.

It is an arithmetic number, because the mean of its divisors is an integer number (3037320).

Almost surely, 2^40235293 is an apocalyptic number.

It is an amenable number.

40235293 is a deficient number, since it is larger than the sum of its proper divisors (8361827).

40235293 is a wasteful number, since it uses less digits than its factorization.

40235293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 40235293 is about 6343.1295903521. The cubic root of 40235293 is about 342.6644543849.

Adding to 40235293 its reverse (39253204), we get a palindrome (79488497).

It can be divided in two parts, 4023 and 5293, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 40235293 in words is "forty million, two hundred thirty-five thousand, two hundred ninety-three".