1400042001144 has 32 divisors (see below), whose sum is σ = 3705993533520. Its totient is φ = 439228862976.

The previous prime is 1400042001133. The next prime is 1400042001167. The reversal of 1400042001144 is 4411002400041.

It is a self number, because there is not a number n which added to its sum of digits gives 1400042001144.

It is a congruent number.

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, 1715737339 + ... + 1715738154.

Almost surely, 2^{1400042001144} is an apocalyptic number.

It is an amenable number.

1400042001144 is an abundant number, since it is smaller than the sum of its proper divisors (2305951532376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1400042001144 is a wasteful number, since it uses less digits than its factorization.

1400042001144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3431475519 (or 3431475515 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 1400042001144 its reverse (4411002400041), we get a palindrome (5811044401185).

The spelling of 1400042001144 in words is "one trillion, four hundred billion, forty-two million, one thousand, one hundred forty-four".