1243414402400 has 72 divisors (see below), whose sum is σ = 3043411709184. Its totient is φ = 496067033600.

The previous prime is 1243414402379. The next prime is 1243414402429. The reversal of 1243414402400 is 42044143421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1722671 + ... + 2335470.

It is an arithmetic number, because the mean of its divisors is an integer number (42269607072).

Almost surely, 2^{1243414402400} is an apocalyptic number.

1243414402400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1243414402400 is an abundant number, since it is smaller than the sum of its proper divisors (1799997306784).

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

1243414402400 is a wasteful number, since it uses less digits than its factorization.

1243414402400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4058544 (or 4058531 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 1243414402400 its reverse (42044143421), we get a palindrome (1285458545821).

The spelling of 1243414402400 in words is "one trillion, two hundred forty-three billion, four hundred fourteen million, four hundred two thousand, four hundred".