1830042250 has 16 divisors (see below), whose sum is σ = 3425839560. Its totient is φ = 732016800.

The previous prime is 1830042229. The next prime is 1830042271. The reversal of 1830042250 is 522400381.

It is an interprime number because it is at equal distance from previous prime (1830042229) and next prime (1830042271).

It can be written as a sum of positive squares in 4 ways, for example, as 557479321 + 1272562929 = 23611^2 + 35673^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3659835 + ... + 3660334.

Almost surely, 2^1830042250 is an apocalyptic number.

1830042250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1830042250 is a deficient number, since it is larger than the sum of its proper divisors (1595797310).

1830042250 is an equidigital number, since it uses as much as digits as its factorization.

1830042250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7320186 (or 7320176 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1830042250 is about 42778.9930924046. The cubic root of 1830042250 is about 1223.1706138375.

The spelling of 1830042250 in words is "one billion, eight hundred thirty million, forty-two thousand, two hundred fifty".