1842516252 has 18 divisors (see below), whose sum is σ = 4657471728. Its totient is φ = 614172072.

The previous prime is 1842516239. The next prime is 1842516257. The reversal of 1842516252 is 2526152481.

1842516252 is a `hidden beast` number, since 1 + 8 + 4 + 25 + 1 + 625 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1842516252² = 6789732277768255008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 51181007 = 1842516252 / (1 + 8 + 4 + 2 + 5 + 1 + 6 + 2 + 5 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1842516257) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25590468 + ... + 25590539.

Almost surely, 2^1842516252 is an apocalyptic number.

1842516252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1842516252 is an abundant number, since it is smaller than the sum of its proper divisors (2814955476).

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

1842516252 is a wasteful number, since it uses less digits than its factorization.

1842516252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51181017 (or 51181012 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 1842516252 is about 42924.5413720403. The cubic root of 1842516252 is about 1225.9434635472.

The spelling of 1842516252 in words is "one billion, eight hundred forty-two million, five hundred sixteen thousand, two hundred fifty-two".