1882670640 has 80 divisors (see below), whose sum is σ = 5842432608. Its totient is φ = 501516288.

The previous prime is 1882670639. The next prime is 1882670653. The reversal of 1882670640 is 460762881.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 1882670592 and 1882670601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258732 + ... + 265908.

Almost surely, 2^1882670640 is an apocalyptic number.

1882670640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1882670640 is an abundant number, since it is smaller than the sum of its proper divisors (3959761968).

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

1882670640 is a wasteful number, since it uses less digits than its factorization.

1882670640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8286 (or 8280 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 1882670640 is about 43389.7527072925. The cubic root of 1882670640 is about 1234.7852981737.

The spelling of 1882670640 in words is "one billion, eight hundred eighty-two million, six hundred seventy thousand, six hundred forty".