1861328482 has 24 divisors (see below), whose sum is σ = 3037726800. Its totient is φ = 854970480.

The previous prime is 1861328479. The next prime is 1861328507. The reversal of 1861328482 is 2848231681.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58269 + ... + 84367.

It is an arithmetic number, because the mean of its divisors is an integer number (126571950).

Almost surely, 2^1861328482 is an apocalyptic number.

1861328482 is a deficient number, since it is larger than the sum of its proper divisors (1176398318).

1861328482 is a wasteful number, since it uses less digits than its factorization.

1861328482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26338 (or 26325 counting only the distinct ones).

The product of its digits is 147456, while the sum is 43.

The square root of 1861328482 is about 43143.1162759484. The cubic root of 1861328482 is about 1230.1016687283.

The spelling of 1861328482 in words is "one billion, eight hundred sixty-one million, three hundred twenty-eight thousand, four hundred eighty-two".