1830174940 has 24 divisors (see below), whose sum is σ = 4192764912. Its totient is φ = 665518080.

The previous prime is 1830174911. The next prime is 1830174947. The reversal of 1830174940 is 494710381.

It is a super-2 number, since 2×1830174940² = 6699080622008007200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1830174940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1830174947) 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, 4159269 + ... + 4159708.

It is an arithmetic number, because the mean of its divisors is an integer number (174698538).

Almost surely, 2^1830174940 is an apocalyptic number.

1830174940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1830174940 is an abundant number, since it is smaller than the sum of its proper divisors (2362589972).

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

1830174940 is a wasteful number, since it uses less digits than its factorization.

1830174940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8318997 (or 8318995 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 1830174940 is about 42780.5439423110. The cubic root of 1830174940 is about 1223.2001757390.

The spelling of 1830174940 in words is "one billion, eight hundred thirty million, one hundred seventy-four thousand, nine hundred forty".