1486718785920 has 128 divisors (see below), whose sum is σ = 4740210455040. Its totient is φ = 396350060544.

The previous prime is 1486718785883. The next prime is 1486718785931. The reversal of 1486718785920 is 295878176841.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7051959 + ... + 7259721.

It is an arithmetic number, because the mean of its divisors is an integer number (37032894180).

Almost surely, 2^{1486718785920} is an apocalyptic number.

1486718785920 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 1486718785920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2370105227520).

1486718785920 is an abundant number, since it is smaller than the sum of its proper divisors (3253491669120).

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

1486718785920 is a wasteful number, since it uses less digits than its factorization.

1486718785920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211512 (or 211500 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 66.

The spelling of 1486718785920 in words is "one trillion, four hundred eighty-six billion, seven hundred eighteen million, seven hundred eighty-five thousand, nine hundred twenty".