1862204743872 has 168 divisors, whose sum is σ = 5847285150720. Its totient is φ = 561942904320.

The previous prime is 1862204743853. The next prime is 1862204743873. The reversal of 1862204743872 is 2783474022681.

1862204743872 is a `hidden beast` number, since 1 + 8 + 622 + 0 + 4 + 7 + 4 + 3 + 8 + 7 + 2 = 666.

It is a super-2 number, since 2×1862204743872² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1862204743873) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 899433 + ... + 2129175.

Almost surely, 2^{1862204743872} is an apocalyptic number.

1862204743872 is a gapful number since it is divisible by the number (12) 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 1862204743872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2923642575360).

1862204743872 is an abundant number, since it is smaller than the sum of its proper divisors (3985080406848).

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

1862204743872 is a wasteful number, since it uses less digits than its factorization.

1862204743872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230011 (or 1229998 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 54.

The spelling of 1862204743872 in words is "one trillion, eight hundred sixty-two billion, two hundred four million, seven hundred forty-three thousand, eight hundred seventy-two".