400042110441 has 4 divisors (see below), whose sum is σ = 533389480592. Its totient is φ = 266694740292.

The previous prime is 400042110439. The next prime is 400042110463. The reversal of 400042110441 is 144011240004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 400042110441 - 2¹ = 400042110439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400042110421) 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, 66673685071 + ... + 66673685076.

It is an arithmetic number, because the mean of its divisors is an integer number (133347370148).

Almost surely, 2^400042110441 is an apocalyptic number.

It is an amenable number.

400042110441 is a deficient number, since it is larger than the sum of its proper divisors (133347370151).

400042110441 is a wasteful number, since it uses less digits than its factorization.

400042110441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133347370150.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 400042110441 its reverse (144011240004), we get a palindrome (544053350445).

The spelling of 400042110441 in words is "four hundred billion, forty-two million, one hundred ten thousand, four hundred forty-one".