40561453 has 8 divisors (see below), whose sum is σ = 41254272. Its totient is φ = 39874656.

The previous prime is 40561403. The next prime is 40561471. The reversal of 40561453 is 35416504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40561453 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 (40561403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13276 + ... + 16042.

It is an arithmetic number, because the mean of its divisors is an integer number (5156784).

Almost surely, 2^40561453 is an apocalyptic number.

It is an amenable number.

40561453 is a deficient number, since it is larger than the sum of its proper divisors (692819).

40561453 is a wasteful number, since it uses less digits than its factorization.

40561453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3011.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 40561453 is about 6368.7874042081. The cubic root of 40561453 is about 343.5878791221.

Adding to 40561453 its reverse (35416504), we get a palindrome (75977957).

It can be divided in two parts, 40561 and 453, that added together give a palindrome (41014).

The spelling of 40561453 in words is "forty million, five hundred sixty-one thousand, four hundred fifty-three".