1823984245818 has 96 divisors (see below), whose sum is σ = 4757375001600. Its totient is φ = 504327388320.

The previous prime is 1823984245813. The next prime is 1823984245843. The reversal of 1823984245818 is 8185424893281.

1823984245818 is a `hidden beast` number, since 1 + 8 + 2 + 3 + 9 + 8 + 42 + 4 + 581 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (1823984245813) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4573605 + ... + 4956392.

It is an arithmetic number, because the mean of its divisors is an integer number (49555989600).

Almost surely, 2^{1823984245818} is an apocalyptic number.

1823984245818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1823984245818 is an abundant number, since it is smaller than the sum of its proper divisors (2933390755782).

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

1823984245818 is a wasteful number, since it uses less digits than its factorization.

1823984245818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9530057 (or 9530040 counting only the distinct ones).

The product of its digits is 35389440, while the sum is 63.

The spelling of 1823984245818 in words is "one trillion, eight hundred twenty-three billion, nine hundred eighty-four million, two hundred forty-five thousand, eight hundred eighteen".