40044053 has 4 divisors (see below), whose sum is σ = 45764640. Its totient is φ = 34323468.

The previous prime is 40044023. The next prime is 40044083. The reversal of 40044053 is 35044004.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (40044023) and next prime (40044083).

It is a cyclic number.

It is not a de Polignac number, because 40044053 - 2⁸ = 40043797 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 (40044013) 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, 2860283 + ... + 2860296.

It is an arithmetic number, because the mean of its divisors is an integer number (11441160).

Almost surely, 2^40044053 is an apocalyptic number.

It is an amenable number.

40044053 is a deficient number, since it is larger than the sum of its proper divisors (5720587).

40044053 is an equidigital number, since it uses as much as digits as its factorization.

40044053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5720586.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 40044053 is about 6328.0370574136. The cubic root of 40044053 is about 342.1206925573.

Adding to 40044053 its reverse (35044004), we get a palindrome (75088057).

The spelling of 40044053 in words is "forty million, forty-four thousand, fifty-three".