1830572940 has 192 divisors, whose sum is σ = 6151864320. Its totient is φ = 397889280.

The previous prime is 1830572899. The next prime is 1830573007. The reversal of 1830572940 is 492750381.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 766989 + ... + 769371.

It is an arithmetic number, because the mean of its divisors is an integer number (32040960).

Almost surely, 2^1830572940 is an apocalyptic number.

1830572940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1830572940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3075932160).

1830572940 is an abundant number, since it is smaller than the sum of its proper divisors (4321291380).

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

1830572940 is a wasteful number, since it uses less digits than its factorization.

1830572940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492 (or 2490 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 1830572940 is about 42785.1953367050. The cubic root of 1830572940 is about 1223.2888372788.

The spelling of 1830572940 in words is "one billion, eight hundred thirty million, five hundred seventy-two thousand, nine hundred forty".