40311413 has 8 divisors (see below), whose sum is σ = 40784640. Its totient is φ = 39841200.

The previous prime is 40311391. The next prime is 40311431. The reversal of 40311413 is 31411304.

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 40311413 - 2²⁰ = 39262837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40311391 and 40311400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40311443) 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, 35531 + ... + 36647.

It is an arithmetic number, because the mean of its divisors is an integer number (5098080).

Almost surely, 2^40311413 is an apocalyptic number.

It is an amenable number.

40311413 is a deficient number, since it is larger than the sum of its proper divisors (473227).

40311413 is a wasteful number, since it uses less digits than its factorization.

40311413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 40311413 is about 6349.1269478567. The cubic root of 40311413 is about 342.8804106150.

Adding to 40311413 its reverse (31411304), we get a palindrome (71722717).

The spelling of 40311413 in words is "forty million, three hundred eleven thousand, four hundred thirteen".