400003203441 has 8 divisors (see below), whose sum is σ = 538515640000. Its totient is φ = 264079784592.

The previous prime is 400003203407. The next prime is 400003203443. The reversal of 400003203441 is 144302300004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 400003203441 - 2⁶ = 400003203377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400003203443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647254066 + ... + 647254683.

It is an arithmetic number, because the mean of its divisors is an integer number (67314455000).

Almost surely, 2^400003203441 is an apocalyptic number.

It is an amenable number.

400003203441 is a deficient number, since it is larger than the sum of its proper divisors (138512436559).

400003203441 is a wasteful number, since it uses less digits than its factorization.

400003203441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294508855.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 400003203441 its reverse (144302300004), we get a palindrome (544305503445).

The spelling of 400003203441 in words is "four hundred billion, three million, two hundred three thousand, four hundred forty-one".