1400175344421 has 18 divisors (see below), whose sum is σ = 2352675579462. Its totient is φ = 800100196560.

The previous prime is 1400175344417. The next prime is 1400175344443. The reversal of 1400175344421 is 1244435710041.

1400175344421 is a `hidden beast` number, since 1 + 40 + 0 + 175 + 3 + 4 + 442 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1276210793025 + 123964551396 = 1129695^2 + 352086^2 .

It is not a de Polignac number, because 1400175344421 - 2² = 1400175344417 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400175344461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1587499950 + ... + 1587500831.

It is an arithmetic number, because the mean of its divisors is an integer number (130704198859).

Almost surely, 2^{1400175344421} is an apocalyptic number.

It is an amenable number.

1400175344421 is a deficient number, since it is larger than the sum of its proper divisors (952500235041).

1400175344421 is a wasteful number, since it uses less digits than its factorization.

1400175344421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3175000801 (or 3175000791 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 1400175344421 in words is "one trillion, four hundred billion, one hundred seventy-five million, three hundred forty-four thousand, four hundred twenty-one".