1755456357980 has 24 divisors (see below), whose sum is σ = 3970032071712. Its totient is φ = 648168501312.

The previous prime is 1755456357961. The next prime is 1755456357983. The reversal of 1755456357980 is 897536545571.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1755456357983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3375877352 + ... + 3375877871.

It is an arithmetic number, because the mean of its divisors is an integer number (165418002988).

Almost surely, 2^{1755456357980} is an apocalyptic number.

1755456357980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1755456357980 is an abundant number, since it is smaller than the sum of its proper divisors (2214575713732).

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

1755456357980 is a wasteful number, since it uses less digits than its factorization.

1755456357980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6751755245 (or 6751755243 counting only the distinct ones).

The product of its (nonzero) digits is 158760000, while the sum is 65.

The spelling of 1755456357980 in words is "one trillion, seven hundred fifty-five billion, four hundred fifty-six million, three hundred fifty-seven thousand, nine hundred eighty".