1838616442 has 32 divisors (see below), whose sum is σ = 2994735744. Its totient is φ = 841579200.

The previous prime is 1838616421. The next prime is 1838616463. The reversal of 1838616442 is 2446168381.

It is an interprime number because it is at equal distance from previous prime (1838616421) and next prime (1838616463).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2528683 + ... + 2529409.

It is an arithmetic number, because the mean of its divisors is an integer number (93585492).

Almost surely, 2^1838616442 is an apocalyptic number.

1838616442 is a deficient number, since it is larger than the sum of its proper divisors (1156119302).

1838616442 is a wasteful number, since it uses less digits than its factorization.

1838616442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414.

The product of its digits is 221184, while the sum is 43.

The square root of 1838616442 is about 42879.0909651779. The cubic root of 1838616442 is about 1225.0779219071.

The spelling of 1838616442 in words is "one billion, eight hundred thirty-eight million, six hundred sixteen thousand, four hundred forty-two".