40041313 has 8 divisors (see below), whose sum is σ = 43433600. Its totient is φ = 36693648.

The previous prime is 40041311. The next prime is 40041317. The reversal of 40041313 is 31314004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40041313 - 2¹ = 40041311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40041311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9273 + ... + 12886.

It is an arithmetic number, because the mean of its divisors is an integer number (5429200).

Almost surely, 2^40041313 is an apocalyptic number.

It is an amenable number.

40041313 is a deficient number, since it is larger than the sum of its proper divisors (3392287).

40041313 is a wasteful number, since it uses less digits than its factorization.

40041313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22311.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 40041313 is about 6327.8205568742. The cubic root of 40041313 is about 342.1128892173.

Adding to 40041313 its reverse (31314004), we get a palindrome (71355317).

The spelling of 40041313 in words is "forty million, forty-one thousand, three hundred thirteen".