1840483809 has 32 divisors (see below), whose sum is σ = 2797562880. Its totient is φ = 1195171200.

The previous prime is 1840483793. The next prime is 1840483817. The reversal of 1840483809 is 9083840481.

It is not a de Polignac number, because 1840483809 - 2⁴ = 1840483793 is a prime.

It is a super-2 number, since 2×1840483809² = 6774761302382296962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1840483109) 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, 1173744 + ... + 1175310.

It is an arithmetic number, because the mean of its divisors is an integer number (87423840).

Almost surely, 2^1840483809 is an apocalyptic number.

It is an amenable number.

1840483809 is a deficient number, since it is larger than the sum of its proper divisors (957079071).

1840483809 is a wasteful number, since it uses less digits than its factorization.

1840483809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2678 (or 2672 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 1840483809 is about 42900.8602361305. The cubic root of 1840483809 is about 1225.4925264230.

The spelling of 1840483809 in words is "one billion, eight hundred forty million, four hundred eighty-three thousand, eight hundred nine".