1840409114 has 4 divisors (see below), whose sum is σ = 2760613674. Its totient is φ = 920204556.

The previous prime is 1840409071. The next prime is 1840409117. The reversal of 1840409114 is 4119040481.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1820472889 + 19936225 = 42667^2 + 4465^2 .

It is not an unprimeable number, because it can be changed into a prime (1840409117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460102277 + ... + 460102280.

Almost surely, 2^1840409114 is an apocalyptic number.

1840409114 is a deficient number, since it is larger than the sum of its proper divisors (920204560).

1840409114 is an equidigital number, since it uses as much as digits as its factorization.

1840409114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920204559.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 1840409114 is about 42899.9896736584. The cubic root of 1840409114 is about 1225.4759475572.

Adding to 1840409114 its reverse (4119040481), we get a palindrome (5959449595).

The spelling of 1840409114 in words is "one billion, eight hundred forty million, four hundred nine thousand, one hundred fourteen".