1816340250 has 64 divisors (see below), whose sum is σ = 4553003520. Its totient is φ = 482283200.

The previous prime is 1816340237. The next prime is 1816340257. The reversal of 1816340250 is 520436181.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1816340257) 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, 174184 + ... + 184316.

It is an arithmetic number, because the mean of its divisors is an integer number (71140680).

Almost surely, 2^1816340250 is an apocalyptic number.

1816340250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1816340250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2276501760).

1816340250 is an abundant number, since it is smaller than the sum of its proper divisors (2736663270).

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

1816340250 is a wasteful number, since it uses less digits than its factorization.

1816340250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10392 (or 10382 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1816340250 is about 42618.5434992797. The cubic root of 1816340250 is about 1220.1102314624.

The spelling of 1816340250 in words is "one billion, eight hundred sixteen million, three hundred forty thousand, two hundred fifty".