1814786841380 has 24 divisors (see below), whose sum is σ = 4035231918648. Its totient is φ = 683213869568.

The previous prime is 1814786841323. The next prime is 1814786841401. The reversal of 1814786841380 is 831486874181.

It can be written as a sum of positive squares in 4 ways, for example, as 521344649764 + 1293442191616 = 722042^2 + 1137296^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2668803839 + ... + 2668804518.

It is an arithmetic number, because the mean of its divisors is an integer number (168134663277).

Almost surely, 2^{1814786841380} is an apocalyptic number.

1814786841380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1814786841380 is an abundant number, since it is smaller than the sum of its proper divisors (2220445077268).

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

1814786841380 is a wasteful number, since it uses less digits than its factorization.

1814786841380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5337608383 (or 5337608381 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 59.

The spelling of 1814786841380 in words is "one trillion, eight hundred fourteen billion, seven hundred eighty-six million, eight hundred forty-one thousand, three hundred eighty".