1120045205440 has 56 divisors (see below), whose sum is σ = 3048123029472. Its totient is φ = 384015498240.

The previous prime is 1120045205347. The next prime is 1120045205459. The reversal of 1120045205440 is 445025400211.

It is a tau number, because it is divible by the number of its divisors (56).

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

It is a junction number, because it is equal to n+sod(n) for n = 1120045205399 and 1120045205408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250007851 + ... + 250012330.

Almost surely, 2^{1120045205440} is an apocalyptic number.

1120045205440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120045205440 is an abundant number, since it is smaller than the sum of its proper divisors (1928077824032).

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

1120045205440 is an equidigital number, since it uses as much as digits as its factorization.

1120045205440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500020205 (or 500020195 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The spelling of 1120045205440 in words is "one trillion, one hundred twenty billion, forty-five million, two hundred five thousand, four hundred forty".