400440119 has 2 divisors, whose sum is σ = 400440120. Its totient is φ = 400440118.

The previous prime is 400440109. The next prime is 400440191. The reversal of 400440119 is 911044004.

Together with next prime (400440191) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400440119 is a prime.

It is a super-2 number, since 2×400440119² = 320704577809468322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 400440094 and 400440103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400440109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200220059 + 200220060.

It is an arithmetic number, because the mean of its divisors is an integer number (200220060).

Almost surely, 2^400440119 is an apocalyptic number.

400440119 is a deficient number, since it is larger than the sum of its proper divisors (1).

400440119 is an equidigital number, since it uses as much as digits as its factorization.

400440119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 400440119 is about 20010.9999500275. Note that the first 4 decimals coincide. The cubic root of 400440119 is about 737.0764360520.

The spelling of 400440119 in words is "four hundred million, four hundred forty thousand, one hundred nineteen".