40034653 has 4 divisors (see below), whose sum is σ = 42141760. Its totient is φ = 37927548.

The previous prime is 40034633. The next prime is 40034669. The reversal of 40034653 is 35643004.

40034653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40034653 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 (40034633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1053525 + ... + 1053562.

It is an arithmetic number, because the mean of its divisors is an integer number (10535440).

Almost surely, 2^40034653 is an apocalyptic number.

It is an amenable number.

40034653 is a deficient number, since it is larger than the sum of its proper divisors (2107107).

40034653 is a wasteful number, since it uses less digits than its factorization.

40034653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107106.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 40034653 is about 6327.2942874502. The cubic root of 40034653 is about 342.0939204905.

Adding to 40034653 its reverse (35643004), we get a palindrome (75677657).

It can be divided in two parts, 400 and 34653, that added together give a palindrome (35053).

The spelling of 40034653 in words is "forty million, thirty-four thousand, six hundred fifty-three".