400013119399 has 4 divisors (see below), whose sum is σ = 402325334136. Its totient is φ = 397700904664.

The previous prime is 400013119343. The next prime is 400013119421. The reversal of 400013119399 is 993911310004.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 400013119399 - 2¹¹ = 400013117351 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400013119309) 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, 1156107109 + ... + 1156107454.

It is an arithmetic number, because the mean of its divisors is an integer number (100581333534).

Almost surely, 2^400013119399 is an apocalyptic number.

400013119399 is a deficient number, since it is larger than the sum of its proper divisors (2312214737).

400013119399 is a wasteful number, since it uses less digits than its factorization.

400013119399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312214736.

The product of its (nonzero) digits is 26244, while the sum is 40.

The spelling of 400013119399 in words is "four hundred billion, thirteen million, one hundred nineteen thousand, three hundred ninety-nine".