1816255441 has 32 divisors (see below), whose sum is σ = 2460342528. Its totient is φ = 1294755840.

The previous prime is 1816255439. The next prime is 1816255477. The reversal of 1816255441 is 1445526181.

It is not a de Polignac number, because 1816255441 - 2¹ = 1816255439 is a prime.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1816255441.

It is not an unprimeable number, because it can be changed into a prime (1816255141) 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, 105085 + ... + 121141.

It is an arithmetic number, because the mean of its divisors is an integer number (76885704).

Almost surely, 2^1816255441 is an apocalyptic number.

1816255441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1816255441 is a deficient number, since it is larger than the sum of its proper divisors (644087087).

1816255441 is a wasteful number, since it uses less digits than its factorization.

1816255441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16201.

The product of its digits is 38400, while the sum is 37.

The square root of 1816255441 is about 42617.5485099742. The cubic root of 1816255441 is about 1220.0912412725.

The spelling of 1816255441 in words is "one billion, eight hundred sixteen million, two hundred fifty-five thousand, four hundred forty-one".