40323401 has 4 divisors (see below), whose sum is σ = 40484304. Its totient is φ = 40162500.

The previous prime is 40323331. The next prime is 40323421. The reversal of 40323401 is 10432304.

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 40323401 - 2¹⁰ = 40322377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40323401.

It is not an unprimeable number, because it can be changed into a prime (40323421) 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, 80075 + ... + 80576.

It is an arithmetic number, because the mean of its divisors is an integer number (10121076).

Almost surely, 2^40323401 is an apocalyptic number.

It is an amenable number.

40323401 is a deficient number, since it is larger than the sum of its proper divisors (160903).

40323401 is a wasteful number, since it uses less digits than its factorization.

40323401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160902.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 40323401 is about 6350.0709444856. The cubic root of 40323401 is about 342.9143963828.

Adding to 40323401 its reverse (10432304), we get a palindrome (50755705).

The spelling of 40323401 in words is "forty million, three hundred twenty-three thousand, four hundred one".