1914894708480 has 864 divisors, whose sum is σ = 7557855318720. Its totient is φ = 458567516160.

The previous prime is 1914894708473. The next prime is 1914894708509. The reversal of 1914894708480 is 848074984191.

1914894708480 is a `hidden beast` number, since 1 + 9 + 1 + 4 + 8 + 9 + 470 + 84 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 216099250 + ... + 216108110.

It is an arithmetic number, because the mean of its divisors is an integer number (8747517730).

Almost surely, 2^{1914894708480} is an apocalyptic number.

1914894708480 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 1914894708480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3778927659360).

1914894708480 is an abundant number, since it is smaller than the sum of its proper divisors (5642960610240).

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

1914894708480 is a wasteful number, since it uses less digits than its factorization.

1914894708480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8954 (or 8921 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 63.

The spelling of 1914894708480 in words is "one trillion, nine hundred fourteen billion, eight hundred ninety-four million, seven hundred eight thousand, four hundred eighty".