1400344003412 has 12 divisors (see below), whose sum is σ = 2468489612820. Its totient is φ = 695061256896.

The previous prime is 1400344003393. The next prime is 1400344003423. The reversal of 1400344003412 is 2143004430041.

It can be written as a sum of positive squares in 2 ways, for example, as 497851603396 + 902492400016 = 705586^2 + 949996^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1277685587 + ... + 1277686682.

It is an arithmetic number, because the mean of its divisors is an integer number (205707467735).

Almost surely, 2^{1400344003412} is an apocalyptic number.

It is an amenable number.

1400344003412 is a deficient number, since it is larger than the sum of its proper divisors (1068145609408).

1400344003412 is a wasteful number, since it uses less digits than its factorization.

1400344003412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555372410 (or 2555372408 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1400344003412 its reverse (2143004430041), we get a palindrome (3543348433453).

The spelling of 1400344003412 in words is "one trillion, four hundred billion, three hundred forty-four million, three thousand, four hundred twelve".