1816242528 has 48 divisors (see below), whose sum is σ = 5018569920. Its totient is φ = 573549696.

The previous prime is 1816242523. The next prime is 1816242529. The reversal of 1816242528 is 8252426181.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1816242523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496050 + ... + 499697.

It is an arithmetic number, because the mean of its divisors is an integer number (104553540).

Almost surely, 2^1816242528 is an apocalyptic number.

It is an amenable number.

1816242528 is an abundant number, since it is smaller than the sum of its proper divisors (3202327392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1816242528 is a wasteful number, since it uses less digits than its factorization.

1816242528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995779 (or 995771 counting only the distinct ones).

The product of its digits is 61440, while the sum is 39.

The square root of 1816242528 is about 42617.3970110799. The cubic root of 1816242528 is about 1220.0883497784.

The spelling of 1816242528 in words is "one billion, eight hundred sixteen million, two hundred forty-two thousand, five hundred twenty-eight".