400330113 has 4 divisors (see below), whose sum is σ = 533773488. Its totient is φ = 266886740.

The previous prime is 400330097. The next prime is 400330141. The reversal of 400330113 is 311033004.

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 400330113 - 2⁴ = 400330097 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 400330092 and 400330101.

It is not an unprimeable number, because it can be changed into a prime (400330193) 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, 66721683 + ... + 66721688.

It is an arithmetic number, because the mean of its divisors is an integer number (133443372).

Almost surely, 2^400330113 is an apocalyptic number.

It is an amenable number.

400330113 is a deficient number, since it is larger than the sum of its proper divisors (133443375).

400330113 is a wasteful number, since it uses less digits than its factorization.

400330113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133443374.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 400330113 is about 20008.2511229742. The cubic root of 400330113 is about 737.0089351095.

Adding to 400330113 its reverse (311033004), we get a palindrome (711363117).

The spelling of 400330113 in words is "four hundred million, three hundred thirty thousand, one hundred thirteen".