1120422444400 has 120 divisors (see below), whose sum is σ = 3078832580000. Its totient is φ = 383836078080.

The previous prime is 1120422444389. The next prime is 1120422444433. The reversal of 1120422444400 is 44442240211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3337012 + ... + 3657388.

Almost surely, 2^{1120422444400} is an apocalyptic number.

1120422444400 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 1120422444400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1539416290000).

1120422444400 is an abundant number, since it is smaller than the sum of its proper divisors (1958410135600).

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

1120422444400 is a wasteful number, since it uses less digits than its factorization.

1120422444400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321651 (or 321640 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 1120422444400 its reverse (44442240211), we get a palindrome (1164864684611).

The spelling of 1120422444400 in words is "one trillion, one hundred twenty billion, four hundred twenty-two million, four hundred forty-four thousand, four hundred".