1880911648 has 144 divisors (see below), whose sum is σ = 4734604224. Its totient is φ = 727319040.

The previous prime is 1880911601. The next prime is 1880911657. The reversal of 1880911648 is 8461190881.

It is a junction number, because it is equal to n+sod(n) for n = 1880911598 and 1880911607.

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 23 ways as a sum of consecutive naturals, for example, 2880090 + ... + 2880742.

It is an arithmetic number, because the mean of its divisors is an integer number (32879196).

Almost surely, 2^1880911648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1880911648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2367302112).

1880911648 is an abundant number, since it is smaller than the sum of its proper divisors (2853692576).

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

1880911648 is a wasteful number, since it uses less digits than its factorization.

1880911648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855 (or 840 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 46.

The square root of 1880911648 is about 43369.4782998366. The cubic root of 1880911648 is about 1234.4006222427.

The spelling of 1880911648 in words is "one billion, eight hundred eighty million, nine hundred eleven thousand, six hundred forty-eight".