1120894444800 has 648 divisors, whose sum is σ = 4358739986328. Its totient is φ = 273162240000.

The previous prime is 1120894444783. The next prime is 1120894444829. The reversal of 1120894444800 is 84444980211.

1120894444800 is a `hidden beast` number, since 1 + 120 + 8 + 9 + 4 + 44 + 480 + 0 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 227551896576 + 893342548224 = 477024^2 + 945168^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 75621390 + ... + 75636210.

Almost surely, 2^{1120894444800} is an apocalyptic number.

1120894444800 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 1120894444800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2179369993164).

1120894444800 is an abundant number, since it is smaller than the sum of its proper divisors (3237845541528).

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

1120894444800 is a wasteful number, since it uses less digits than its factorization.

1120894444800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14967 (or 14945 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The spelling of 1120894444800 in words is "one trillion, one hundred twenty billion, eight hundred ninety-four million, four hundred forty-four thousand, eight hundred".