1801827452 has 48 divisors (see below), whose sum is σ = 3376961280. Its totient is φ = 839169408.

The previous prime is 1801827439. The next prime is 1801827457. The reversal of 1801827452 is 2547281081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1801827457) 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, 2226824 + ... + 2227632.

It is an arithmetic number, because the mean of its divisors is an integer number (70353360).

Almost surely, 2^1801827452 is an apocalyptic number.

It is an amenable number.

1801827452 is a deficient number, since it is larger than the sum of its proper divisors (1575133828).

1801827452 is a wasteful number, since it uses less digits than its factorization.

1801827452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442 (or 1440 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 38.

The square root of 1801827452 is about 42447.9381360273. The cubic root of 1801827452 is about 1216.8519240346.

The spelling of 1801827452 in words is "one billion, eight hundred one million, eight hundred twenty-seven thousand, four hundred fifty-two".