40315601 has 4 divisors (see below), whose sum is σ = 40328304. Its totient is φ = 40302900.

The previous prime is 40315591. The next prime is 40315631. The reversal of 40315601 is 10651304.

40315601 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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40315601 - 2⁶ = 40315537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40315631) 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, 2966 + ... + 9456.

It is an arithmetic number, because the mean of its divisors is an integer number (10082076).

Almost surely, 2^40315601 is an apocalyptic number.

It is an amenable number.

40315601 is a deficient number, since it is larger than the sum of its proper divisors (12703).

40315601 is an equidigital number, since it uses as much as digits as its factorization.

40315601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12702.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 40315601 is about 6349.4567484156. The cubic root of 40315601 is about 342.8922842866.

Adding to 40315601 its reverse (10651304), we get a palindrome (50966905).

The spelling of 40315601 in words is "forty million, three hundred fifteen thousand, six hundred one".