40740235 has 4 divisors (see below), whose sum is σ = 48888288. Its totient is φ = 32592184.

The previous prime is 40740233. The next prime is 40740241. The reversal of 40740235 is 53204704.

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

It is a cyclic number.

It is not a de Polignac number, because 40740235 - 2¹ = 40740233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40740233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4074019 + ... + 4074028.

It is an arithmetic number, because the mean of its divisors is an integer number (12222072).

Almost surely, 2^40740235 is an apocalyptic number.

40740235 is a deficient number, since it is larger than the sum of its proper divisors (8148053).

40740235 is an equidigital number, since it uses as much as digits as its factorization.

40740235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8148052.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 40740235 is about 6382.8077677461. The cubic root of 40740235 is about 344.0919479962.

Adding to 40740235 its reverse (53204704), we get a palindrome (93944939).

The spelling of 40740235 in words is "forty million, seven hundred forty thousand, two hundred thirty-five".