1400012431424 has 56 divisors (see below), whose sum is σ = 2790821952000. Its totient is φ = 696820490240.

The previous prime is 1400012431403. The next prime is 1400012431439. The reversal of 1400012431424 is 4241342100041.

It is a junction number, because it is equal to n+sod(n) for n = 1400012431393 and 1400012431402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12328697 + ... + 12441735.

Almost surely, 2^{1400012431424} is an apocalyptic number.

It is an amenable number.

1400012431424 is a deficient number, since it is larger than the sum of its proper divisors (1390809520576).

1400012431424 is a wasteful number, since it uses less digits than its factorization.

1400012431424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113931 (or 113921 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1400012431424 its reverse (4241342100041), we get a palindrome (5641354531465).

The spelling of 1400012431424 in words is "one trillion, four hundred billion, twelve million, four hundred thirty-one thousand, four hundred twenty-four".