400011042303 has 16 divisors (see below), whose sum is σ = 592768104960. Its totient is φ = 266602409208.

The previous prime is 400011042289. The next prime is 400011042313. The reversal of 400011042303 is 303240110004.

It is not a de Polignac number, because 400011042303 - 2⁵ = 400011042271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400011042313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1886925 + ... + 2088182.

It is an arithmetic number, because the mean of its divisors is an integer number (37048006560).

Almost surely, 2^400011042303 is an apocalyptic number.

400011042303 is a deficient number, since it is larger than the sum of its proper divisors (192757062657).

400011042303 is a wasteful number, since it uses less digits than its factorization.

400011042303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3978843 (or 3978837 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 400011042303 its reverse (303240110004), we get a palindrome (703251152307).

The spelling of 400011042303 in words is "four hundred billion, eleven million, forty-two thousand, three hundred three".