40344153 has 4 divisors (see below), whose sum is σ = 53792208. Its totient is φ = 26896100.

The previous prime is 40344131. The next prime is 40344167. The reversal of 40344153 is 35144304.

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 40344153 - 2¹⁰ = 40343129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40344103) 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, 6724023 + ... + 6724028.

It is an arithmetic number, because the mean of its divisors is an integer number (13448052).

Almost surely, 2^40344153 is an apocalyptic number.

It is an amenable number.

40344153 is a deficient number, since it is larger than the sum of its proper divisors (13448055).

40344153 is a wasteful number, since it uses less digits than its factorization.

40344153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13448054.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 40344153 is about 6351.7047318023. The cubic root of 40344153 is about 342.9732120166.

Adding to 40344153 its reverse (35144304), we get a palindrome (75488457).

The spelling of 40344153 in words is "forty million, three hundred forty-four thousand, one hundred fifty-three".