40393235 has 4 divisors (see below), whose sum is σ = 48471888. Its totient is φ = 32314584.

The previous prime is 40393189. The next prime is 40393237. The reversal of 40393235 is 53239304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40393235 is a prime.

It is a super-2 number, since 2×40393235² = 3263226867530450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40393198 and 40393207.

It is not an unprimeable number, because it can be changed into a prime (40393237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4039319 + ... + 4039328.

It is an arithmetic number, because the mean of its divisors is an integer number (12117972).

Almost surely, 2^40393235 is an apocalyptic number.

40393235 is a deficient number, since it is larger than the sum of its proper divisors (8078653).

40393235 is an equidigital number, since it uses as much as digits as its factorization.

40393235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8078652.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 40393235 is about 6355.5672445502. The cubic root of 40393235 is about 343.1122407479.

The spelling of 40393235 in words is "forty million, three hundred ninety-three thousand, two hundred thirty-five".