400440424113 has 8 divisors (see below), whose sum is σ = 593245072800. Its totient is φ = 266960282724.

The previous prime is 400440424103. The next prime is 400440424121. The reversal of 400440424113 is 311424044004.

400440424113 is a `hidden beast` number, since 4 + 0 + 0 + 4 + 404 + 241 + 13 = 666.

It is not a de Polignac number, because 400440424113 - 2¹⁷ = 400440293041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 14831126819 = 400440424113 / (4 + 0 + 0 + 4 + 4 + 0 + 4 + 2 + 4 + 1 + 1 + 3).

It is not an unprimeable number, because it can be changed into a prime (400440424103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7415563383 + ... + 7415563436.

It is an arithmetic number, because the mean of its divisors is an integer number (74155634100).

Almost surely, 2^400440424113 is an apocalyptic number.

It is an amenable number.

400440424113 is a deficient number, since it is larger than the sum of its proper divisors (192804648687).

400440424113 is a wasteful number, since it uses less digits than its factorization.

400440424113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14831126828 (or 14831126822 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 400440424113 its reverse (311424044004), we get a palindrome (711864468117).

The spelling of 400440424113 in words is "four hundred billion, four hundred forty million, four hundred twenty-four thousand, one hundred thirteen".