1110400144438 has 16 divisors (see below), whose sum is σ = 1851585353856. Its totient is φ = 495960361920.

The previous prime is 1110400144433. The next prime is 1110400144453. The reversal of 1110400144438 is 8344410040111.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110400144433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 688833031 + ... + 688834642.

It is an arithmetic number, because the mean of its divisors is an integer number (115724084616).

Almost surely, 2^{1110400144438} is an apocalyptic number.

1110400144438 is a deficient number, since it is larger than the sum of its proper divisors (741185209418).

1110400144438 is a wasteful number, since it uses less digits than its factorization.

1110400144438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377667719.

The product of its (nonzero) digits is 6144, while the sum is 31.

Adding to 1110400144438 its reverse (8344410040111), we get a palindrome (9454810184549).

The spelling of 1110400144438 in words is "one trillion, one hundred ten billion, four hundred million, one hundred forty-four thousand, four hundred thirty-eight".