400241121212403 has 16 divisors (see below), whose sum is σ = 592972888494240. Its totient is φ = 266817028460832.

The previous prime is 400241121212341. The next prime is 400241121212467. The reversal of 400241121212403 is 304212121142004.

400241121212403 is a `hidden beast` number, since 4 + 0 + 0 + 2 + 41 + 1 + 2 + 1 + 212 + 403 = 666.

It is not a de Polignac number, because 400241121212403 - 2³² = 400236826245107 is a prime.

It is a super-2 number, since 2×400241121212403² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (400241121213403) 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, 287784576 + ... + 289171997.

It is an arithmetic number, because the mean of its divisors is an integer number (37060805530890).

Almost surely, 2^{400241121212403} is an apocalyptic number.

400241121212403 is a deficient number, since it is larger than the sum of its proper divisors (192731767281837).

400241121212403 is a wasteful number, since it uses less digits than its factorization.

400241121212403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576982275 (or 576982269 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 400241121212403 its reverse (304212121142004), we get a palindrome (704453242354407).

The spelling of 400241121212403 in words is "four hundred trillion, two hundred forty-one billion, one hundred twenty-one million, two hundred twelve thousand, four hundred three".