1840297482 has 80 divisors (see below), whose sum is σ = 4384575360. Its totient is φ = 575628768.

The previous prime is 1840297451. The next prime is 1840297489. The reversal of 1840297482 is 2847920481.

1840297482 is a `hidden beast` number, since 1 + 84 + 0 + 2 + 97 + 482 = 666.

It is not an unprimeable number, because it can be changed into a prime (1840297489) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 192819 + ... + 202137.

It is an arithmetic number, because the mean of its divisors is an integer number (54807192).

Almost surely, 2^1840297482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1840297482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2192287680).

1840297482 is an abundant number, since it is smaller than the sum of its proper divisors (2544277878).

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

1840297482 is a wasteful number, since it uses less digits than its factorization.

1840297482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9409 (or 9400 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 1840297482 is about 42898.6885813541. The cubic root of 1840297482 is about 1225.4511695343.

The spelling of 1840297482 in words is "one billion, eight hundred forty million, two hundred ninety-seven thousand, four hundred eighty-two".