1400401271744 has 28 divisors (see below), whose sum is σ = 2779063853088. Its totient is φ = 700164710400.

The previous prime is 1400401271693. The next prime is 1400401271803. The reversal of 1400401271744 is 4471721040041.

It is a super-2 number, since 2×1400401271744² (a number of 25 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 718409 + ... + 1821239.

Almost surely, 2^{1400401271744} is an apocalyptic number.

It is an amenable number.

1400401271744 is a deficient number, since it is larger than the sum of its proper divisors (1378662581344).

1400401271744 is a wasteful number, since it uses less digits than its factorization.

1400401271744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122684 (or 1122674 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 35.

The spelling of 1400401271744 in words is "one trillion, four hundred billion, four hundred one million, two hundred seventy-one thousand, seven hundred forty-four".