1812055050 has 240 divisors, whose sum is σ = 5484982272. Its totient is φ = 440899200.

The previous prime is 1812055031. The next prime is 1812055051. The reversal of 1812055050 is 505502181.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1812055051) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 6686415 + ... + 6686685.

Almost surely, 2^1812055050 is an apocalyptic number.

1812055050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1812055050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2742491136).

1812055050 is an abundant number, since it is smaller than the sum of its proper divisors (3672927222).

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

1812055050 is a wasteful number, since it uses less digits than its factorization.

1812055050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The square root of 1812055050 is about 42568.2399213310. The cubic root of 1812055050 is about 1219.1499610369.

The spelling of 1812055050 in words is "one billion, eight hundred twelve million, fifty-five thousand, fifty".