1823255982780 has 48 divisors (see below), whose sum is σ = 5152828141440. Its totient is φ = 481657653568.

The previous prime is 1823255982749. The next prime is 1823255982859. The reversal of 1823255982780 is 872895523281.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141991710 + ... + 142004549.

It is an arithmetic number, because the mean of its divisors is an integer number (107350586280).

Almost surely, 2^{1823255982780} is an apocalyptic number.

1823255982780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1823255982780 is an abundant number, since it is smaller than the sum of its proper divisors (3329572158660).

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

1823255982780 is a wasteful number, since it uses less digits than its factorization.

1823255982780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283996378 (or 283996376 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 60.

The spelling of 1823255982780 in words is "one trillion, eight hundred twenty-three billion, two hundred fifty-five million, nine hundred eighty-two thousand, seven hundred eighty".