1800272412 has 48 divisors (see below), whose sum is σ = 4755451680. Its totient is φ = 588766464.

The previous prime is 1800272329. The next prime is 1800272413. The reversal of 1800272412 is 2142720081.

1800272412 is a `hidden beast` number, since 180 + 0 + 2 + 72 + 412 = 666.

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 (1800272413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151533 + ... + 162980.

It is an arithmetic number, because the mean of its divisors is an integer number (99071910).

Almost surely, 2^1800272412 is an apocalyptic number.

1800272412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1800272412 is an abundant number, since it is smaller than the sum of its proper divisors (2955179268).

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

1800272412 is a wasteful number, since it uses less digits than its factorization.

1800272412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314579 (or 314571 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 1800272412 is about 42429.6171559443. The cubic root of 1800272412 is about 1216.5017613826.

Adding to 1800272412 its reverse (2142720081), we get a palindrome (3942992493).

The spelling of 1800272412 in words is "one billion, eight hundred million, two hundred seventy-two thousand, four hundred twelve".