400110204023243 has 64 divisors (see below), whose sum is σ = 489074189260800. Its totient is φ = 319726226211840.

The previous prime is 400110204023207. The next prime is 400110204023249. The reversal of 400110204023243 is 342320402011004.

It is not a de Polignac number, because 400110204023243 - 2²⁰ = 400110202974667 is a prime.

It is a super-2 number, since 2×400110204023243² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (400110204023249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1248712871 + ... + 1249033247.

It is an arithmetic number, because the mean of its divisors is an integer number (7641784207200).

Almost surely, 2^{400110204023243} is an apocalyptic number.

400110204023243 is a deficient number, since it is larger than the sum of its proper divisors (88963985237557).

400110204023243 is a wasteful number, since it uses less digits than its factorization.

400110204023243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321100.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 400110204023243 its reverse (342320402011004), we get a palindrome (742430606034247).

The spelling of 400110204023243 in words is "four hundred trillion, one hundred ten billion, two hundred four million, twenty-three thousand, two hundred forty-three".