1400243311412 has 36 divisors (see below), whose sum is σ = 2695100210880. Its totient is φ = 636082679760.

The previous prime is 1400243311409. The next prime is 1400243311417. The reversal of 1400243311412 is 2141133420041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400243311417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101612 + ... + 1676547.

Almost surely, 2^{1400243311412} is an apocalyptic number.

It is an amenable number.

1400243311412 is a deficient number, since it is larger than the sum of its proper divisors (1294856899468).

1400243311412 is a wasteful number, since it uses less digits than its factorization.

1400243311412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779812 (or 1779799 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1400243311412 its reverse (2141133420041), we get a palindrome (3541376731453).

The spelling of 1400243311412 in words is "one trillion, four hundred billion, two hundred forty-three million, three hundred eleven thousand, four hundred twelve".