1143400330400 has 72 divisors (see below), whose sum is σ = 2887578737820. Its totient is φ = 441589084160.

The previous prime is 1143400330361. The next prime is 1143400330409. The reversal of 1143400330400 is 40330043411.

It can be written as a sum of positive squares in 6 ways, for example, as 261010635664 + 882389694736 = 510892^2 + 939356^2 .

It is not an unprimeable number, because it can be changed into a prime (1143400330409) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 24619049 + ... + 24665448.

Almost surely, 2^{1143400330400} is an apocalyptic number.

1143400330400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143400330400 is an abundant number, since it is smaller than the sum of its proper divisors (1744178407420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143400330400 is a wasteful number, since it uses less digits than its factorization.

1143400330400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49284546 (or 49284533 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1143400330400 its reverse (40330043411), we get a palindrome (1183730373811).

The spelling of 1143400330400 in words is "one trillion, one hundred forty-three billion, four hundred million, three hundred thirty thousand, four hundred".