40312401 has 4 divisors (see below), whose sum is σ = 53749872. Its totient is φ = 26874932.

The previous prime is 40312367. The next prime is 40312403. The reversal of 40312401 is 10421304.

40312401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40312401 - 2²¹ = 38215249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40312403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6718731 + ... + 6718736.

It is an arithmetic number, because the mean of its divisors is an integer number (13437468).

Almost surely, 2^40312401 is an apocalyptic number.

It is an amenable number.

40312401 is a deficient number, since it is larger than the sum of its proper divisors (13437471).

40312401 is a wasteful number, since it uses less digits than its factorization.

40312401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13437470.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 40312401 is about 6349.2047533530. The cubic root of 40312401 is about 342.8832118323.

Adding to 40312401 its reverse (10421304), we get a palindrome (50733705).

The spelling of 40312401 in words is "forty million, three hundred twelve thousand, four hundred one".