40016413 has 8 divisors (see below), whose sum is σ = 42340320. Its totient is φ = 37714320.

The previous prime is 40016393. The next prime is 40016429. The reversal of 40016413 is 31461004.

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 40016413 - 2²¹ = 37919261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40016213) 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, 1603 + ... + 9088.

It is an arithmetic number, because the mean of its divisors is an integer number (5292540).

Almost surely, 2^40016413 is an apocalyptic number.

It is an amenable number.

40016413 is a deficient number, since it is larger than the sum of its proper divisors (2323907).

40016413 is a wasteful number, since it uses less digits than its factorization.

40016413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10907.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 40016413 is about 6325.8527488395. The cubic root of 40016413 is about 342.0419593310.

Adding to 40016413 its reverse (31461004), we get a palindrome (71477417).

The spelling of 40016413 in words is "forty million, sixteen thousand, four hundred thirteen".