1800174012 has 96 divisors (see below), whose sum is σ = 5183883264. Its totient is φ = 473472000.

The previous prime is 1800174007. The next prime is 1800174017. The reversal of 1800174012 is 2104710081.

It is an interprime number because it is at equal distance from previous prime (1800174007) and next prime (1800174017).

It is a super-2 number, since 2×1800174012² = 6481252946960352288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1800174017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 435837 + ... + 439947.

It is an arithmetic number, because the mean of its divisors is an integer number (53998784).

Almost surely, 2^1800174012 is an apocalyptic number.

1800174012 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 1800174012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2591941632).

1800174012 is an abundant number, since it is smaller than the sum of its proper divisors (3383709252).

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

1800174012 is a wasteful number, since it uses less digits than its factorization.

1800174012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4539 (or 4537 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 1800174012 is about 42428.4575727188. The cubic root of 1800174012 is about 1216.4795969676.

Adding to 1800174012 its reverse (2104710081), we get a palindrome (3904884093).

The spelling of 1800174012 in words is "one billion, eight hundred million, one hundred seventy-four thousand, twelve".