1682749057480 has 16 divisors (see below), whose sum is σ = 3786185379420. Its totient is φ = 673099622976.

The previous prime is 1682749057459. The next prime is 1682749057487. The reversal of 1682749057480 is 847509472861.

It can be written as a sum of positive squares in 2 ways, for example, as 1645211544964 + 37537512516 = 1282658^2 + 193746^2 .

It is not an unprimeable number, because it can be changed into a prime (1682749057487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21034363179 + ... + 21034363258.

Almost surely, 2^{1682749057480} is an apocalyptic number.

1682749057480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1682749057480 is an abundant number, since it is smaller than the sum of its proper divisors (2103436321940).

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

1682749057480 is a wasteful number, since it uses less digits than its factorization.

1682749057480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42068726448 (or 42068726444 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 61.

The spelling of 1682749057480 in words is "one trillion, six hundred eighty-two billion, seven hundred forty-nine million, fifty-seven thousand, four hundred eighty".