40200013 has 4 divisors (see below), whose sum is σ = 45942880. Its totient is φ = 34457148.

The previous prime is 40199983. The next prime is 40200071. The reversal of 40200013 is 31000204.

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.

It is a cyclic number.

It is not a de Polignac number, because 40200013 - 2⁵ = 40199981 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 (40600013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2871423 + ... + 2871436.

It is an arithmetic number, because the mean of its divisors is an integer number (11485720).

Almost surely, 2^40200013 is an apocalyptic number.

It is an amenable number.

40200013 is a deficient number, since it is larger than the sum of its proper divisors (5742867).

40200013 is an equidigital number, since it uses as much as digits as its factorization.

40200013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5742866.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 40200013 is about 6340.3480188393. The cubic root of 40200013 is about 342.5642708875.

Adding to 40200013 its reverse (31000204), we get a palindrome (71200217).

The spelling of 40200013 in words is "forty million, two hundred thousand, thirteen".