1830125490 has 16 divisors (see below), whose sum is σ = 4392301248. Its totient is φ = 488033456.

The previous prime is 1830125489. The next prime is 1830125509. The reversal of 1830125490 is 945210381.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30502062 + ... + 30502121.

It is an arithmetic number, because the mean of its divisors is an integer number (274518828).

Almost surely, 2^1830125490 is an apocalyptic number.

1830125490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1830125490 is an abundant number, since it is smaller than the sum of its proper divisors (2562175758).

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

1830125490 is a wasteful number, since it uses less digits than its factorization.

1830125490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61004193.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 1830125490 is about 42779.9659887663. The cubic root of 1830125490 is about 1223.1891589792.

The spelling of 1830125490 in words is "one billion, eight hundred thirty million, one hundred twenty-five thousand, four hundred ninety".