1816414442 has 16 divisors (see below), whose sum is σ = 2769681600. Its totient is φ = 893249280.

The previous prime is 1816414441. The next prime is 1816414447. The reversal of 1816414442 is 2444146181.

It is a super-2 number, since 2×1816414442² = 6598722850212342728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1816414441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44234 + ... + 74762.

It is an arithmetic number, because the mean of its divisors is an integer number (173105100).

Almost surely, 2^1816414442 is an apocalyptic number.

1816414442 is a deficient number, since it is larger than the sum of its proper divisors (953267158).

1816414442 is a wasteful number, since it uses less digits than its factorization.

1816414442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31021.

The product of its digits is 24576, while the sum is 35.

The square root of 1816414442 is about 42619.4139096257. The cubic root of 1816414442 is about 1220.1268438392.

The spelling of 1816414442 in words is "one billion, eight hundred sixteen million, four hundred fourteen thousand, four hundred forty-two".