40013299 has 2 divisors, whose sum is σ = 40013300. Its totient is φ = 40013298.

The previous prime is 40013293. The next prime is 40013327. The reversal of 40013299 is 99231004.

It is a happy number.

It is an a-pointer prime, because the next prime (40013327) can be obtained adding 40013299 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40013299 - 2⁹ = 40012787 is a prime.

It is not a weakly prime, because it can be changed into another prime (40013293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20006649 + 20006650.

It is an arithmetic number, because the mean of its divisors is an integer number (20006650).

Almost surely, 2^40013299 is an apocalyptic number.

40013299 is a deficient number, since it is larger than the sum of its proper divisors (1).

40013299 is an equidigital number, since it uses as much as digits as its factorization.

40013299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 40013299 is about 6325.6066112271. The cubic root of 40013299 is about 342.0330867525.

The spelling of 40013299 in words is "forty million, thirteen thousand, two hundred ninety-nine".