1440808197120 has 1320 divisors, whose sum is σ = 5685058654704. Its totient is φ = 349145137152.

The previous prime is 1440808197113. The next prime is 1440808197121. The reversal of 1440808197120 is 217918080441.

1440808197120 is a `hidden beast` number, since 1 + 440 + 8 + 0 + 8 + 197 + 12 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440808197121) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 49683041266 + ... + 49683041294.

Almost surely, 2^{1440808197120} is an apocalyptic number.

1440808197120 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 1440808197120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2842529327352).

1440808197120 is an abundant number, since it is smaller than the sum of its proper divisors (4244250457584).

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

1440808197120 is an frugal number, since it uses more digits than its factorization.

1440808197120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The spelling of 1440808197120 in words is "one trillion, four hundred forty billion, eight hundred eight million, one hundred ninety-seven thousand, one hundred twenty".