40413413 has 8 divisors (see below), whose sum is σ = 41985216. Its totient is φ = 38869600.

The previous prime is 40413397. The next prime is 40413481. The reversal of 40413413 is 31431404.

It is a happy number.

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 40413413 - 2⁴ = 40413397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40413313) 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, 4031 + ... + 9852.

It is an arithmetic number, because the mean of its divisors is an integer number (5248152).

Almost surely, 2^40413413 is an apocalyptic number.

It is an amenable number.

40413413 is a deficient number, since it is larger than the sum of its proper divisors (1571803).

40413413 is a wasteful number, since it uses less digits than its factorization.

40413413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13995.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 40413413 is about 6357.1544735046. The cubic root of 40413413 is about 343.1693638965.

Adding to 40413413 its reverse (31431404), we get a palindrome (71844817).

Subtracting from 40413413 its reverse (31431404), we obtain a square (8982009 = 2997²).

The spelling of 40413413 in words is "forty million, four hundred thirteen thousand, four hundred thirteen".