400043024144 has 40 divisors (see below), whose sum is σ = 781577594880. Its totient is φ = 198347159808.

The previous prime is 400043024113. The next prime is 400043024167. The reversal of 400043024144 is 441420340004.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4094972 + ... + 4191524.

It is an arithmetic number, because the mean of its divisors is an integer number (19539439872).

Almost surely, 2^400043024144 is an apocalyptic number.

It is an amenable number.

400043024144 is a deficient number, since it is larger than the sum of its proper divisors (381534570736).

400043024144 is a wasteful number, since it uses less digits than its factorization.

400043024144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98727 (or 98721 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 400043024144 its reverse (441420340004), we get a palindrome (841463364148).

The spelling of 400043024144 in words is "four hundred billion, forty-three million, twenty-four thousand, one hundred forty-four".