1143617404400 has 120 divisors (see below), whose sum is σ = 2806772926464. Its totient is φ = 447590598400.

The previous prime is 1143617404337. The next prime is 1143617404409. The reversal of 1143617404400 is 44047163411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143617404409) 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 23 ways as a sum of consecutive naturals, for example, 99690665 + ... + 99702135.

Almost surely, 2^{1143617404400} is an apocalyptic number.

1143617404400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143617404400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1403386463232).

1143617404400 is an abundant number, since it is smaller than the sum of its proper divisors (1663155522064).

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

1143617404400 is a wasteful number, since it uses less digits than its factorization.

1143617404400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16839 (or 16828 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The spelling of 1143617404400 in words is "one trillion, one hundred forty-three billion, six hundred seventeen million, four hundred four thousand, four hundred".