400044004041 has 64 divisors (see below), whose sum is σ = 628413603840. Its totient is φ = 223807584000.

The previous prime is 400044004037. The next prime is 400044004057. The reversal of 400044004041 is 140400440004.

It is not a de Polignac number, because 400044004041 - 2² = 400044004037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 400044003999 and 400044004017.

It is not an unprimeable number, because it can be changed into a prime (400044002041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 90485011 + ... + 90489431.

It is an arithmetic number, because the mean of its divisors is an integer number (9818962560).

Almost surely, 2^400044004041 is an apocalyptic number.

It is an amenable number.

400044004041 is a deficient number, since it is larger than the sum of its proper divisors (228369599799).

400044004041 is a wasteful number, since it uses less digits than its factorization.

400044004041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8598.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 400044004041 its reverse (140400440004), we get a palindrome (540444444045).

The spelling of 400044004041 in words is "four hundred billion, forty-four million, four thousand, forty-one".