1718228090880 has 1320 divisors, whose sum is σ = 7478677129968. Its totient is φ = 369635622912.

The previous prime is 1718228090849. The next prime is 1718228090947. The reversal of 1718228090880 is 880908228171.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 101072240632 + ... + 101072240648.

Almost surely, 2^{1718228090880} is an apocalyptic number.

1718228090880 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 1718228090880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3739338564984).

1718228090880 is an abundant number, since it is smaller than the sum of its proper divisors (5760449039088).

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

1718228090880 is an frugal number, since it uses more digits than its factorization.

1718228090880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 54.

The spelling of 1718228090880 in words is "one trillion, seven hundred eighteen billion, two hundred twenty-eight million, ninety thousand, eight hundred eighty".