1340143230400 has 126 divisors (see below), whose sum is σ = 3570763787592. Its totient is φ = 494822016000.

The previous prime is 1340143230347. The next prime is 1340143230409. The reversal of 1340143230400 is 40323410431.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340143230409) 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, 2207676 + ... + 2748475.

Almost surely, 2^{1340143230400} is an apocalyptic number.

1340143230400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340143230400 is an abundant number, since it is smaller than the sum of its proper divisors (2230620557192).

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

1340143230400 is a wasteful number, since it uses less digits than its factorization.

1340143230400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4956199 (or 4956171 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1340143230400 its reverse (40323410431), we get a palindrome (1380466640831).

The spelling of 1340143230400 in words is "one trillion, three hundred forty billion, one hundred forty-three million, two hundred thirty thousand, four hundred".