400234110554443 has 16 divisors (see below), whose sum is σ = 442650812994432. Its totient is φ = 358823847240000.

The previous prime is 400234110554401. The next prime is 400234110554527. The reversal of 400234110554443 is 344455011432004.

It is a cyclic number.

It is not a de Polignac number, because 400234110554443 - 2¹³ = 400234110546251 is a prime.

It is a super-2 number, since 2×400234110554443² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 400234110554396 and 400234110554405.

It is not an unprimeable number, because it can be changed into a prime (400234110554143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21532333 + ... + 35554318.

It is an arithmetic number, because the mean of its divisors is an integer number (27665675812152).

Almost surely, 2^{400234110554443} is an apocalyptic number.

400234110554443 is a deficient number, since it is larger than the sum of its proper divisors (42416702439989).

400234110554443 is a wasteful number, since it uses less digits than its factorization.

400234110554443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57095466.

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 400234110554443 its reverse (344455011432004), we get a palindrome (744689121986447).

The spelling of 400234110554443 in words is "four hundred trillion, two hundred thirty-four billion, one hundred ten million, five hundred fifty-four thousand, four hundred forty-three".