1400343444413 has 8 divisors (see below), whose sum is σ = 1482754827960. Its totient is φ = 1317936309760.

The previous prime is 1400343444371. The next prime is 1400343444439. The reversal of 1400343444413 is 3144443430041.

It can be written as a sum of positive squares in 4 ways, for example, as 3507837529 + 1396835606884 = 59227^2 + 1181878^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1400343444413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400343447413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370808 + ... + 1714113.

It is an arithmetic number, because the mean of its divisors is an integer number (185344353495).

Almost surely, 2^{1400343444413} is an apocalyptic number.

It is an amenable number.

1400343444413 is a deficient number, since it is larger than the sum of its proper divisors (82411383547).

1400343444413 is a wasteful number, since it uses less digits than its factorization.

1400343444413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124447.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 1400343444413 its reverse (3144443430041), we get a palindrome (4544786874454).

The spelling of 1400343444413 in words is "one trillion, four hundred billion, three hundred forty-three million, four hundred forty-four thousand, four hundred thirteen".