400442003103 has 8 divisors (see below), whose sum is σ = 533938809600. Its totient is φ = 266953266008.

The previous prime is 400442003083. The next prime is 400442003111. The reversal of 400442003103 is 301300244004.

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

It is a cyclic number.

It is not a de Polignac number, because 400442003103 - 2⁹ = 400442002591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 400442003103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400442003503) 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, 1900593 + ... + 2100746.

It is an arithmetic number, because the mean of its divisors is an integer number (66742351200).

Almost surely, 2^400442003103 is an apocalyptic number.

400442003103 is a deficient number, since it is larger than the sum of its proper divisors (133496806497).

400442003103 is a wasteful number, since it uses less digits than its factorization.

400442003103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4034701.

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

Adding to 400442003103 its reverse (301300244004), we get a palindrome (701742247107).

The spelling of 400442003103 in words is "four hundred billion, four hundred forty-two million, three thousand, one hundred three".