40441253 has 4 divisors (see below), whose sum is σ = 42569760. Its totient is φ = 38312748.

The previous prime is 40441237. The next prime is 40441277. The reversal of 40441253 is 35214404.

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 not a de Polignac number, because 40441253 - 2⁴ = 40441237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40441213) 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, 1064225 + ... + 1064262.

It is an arithmetic number, because the mean of its divisors is an integer number (10642440).

Almost surely, 2^40441253 is an apocalyptic number.

It is an amenable number.

40441253 is a deficient number, since it is larger than the sum of its proper divisors (2128507).

40441253 is a wasteful number, since it uses less digits than its factorization.

40441253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128506.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 40441253 is about 6359.3437554515. The cubic root of 40441253 is about 343.2481466685.

Adding to 40441253 its reverse (35214404), we get a palindrome (75655657).

The spelling of 40441253 in words is "forty million, four hundred forty-one thousand, two hundred fifty-three".