1880421312 has 336 divisors, whose sum is σ = 6468847616. Its totient is φ = 471398400.

The previous prime is 1880421307. The next prime is 1880421331. The reversal of 1880421312 is 2131240881.

It is a tau number, because it is divible by the number of its divisors (336).

It is a self number, because there is not a number n which added to its sum of digits gives 1880421312.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 5041158 + ... + 5041530.

Almost surely, 2^1880421312 is an apocalyptic number.

1880421312 is a gapful number since it is divisible by the number (12) 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 1880421312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3234423808).

1880421312 is an abundant number, since it is smaller than the sum of its proper divisors (4588426304).

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

1880421312 is a wasteful number, since it uses less digits than its factorization.

1880421312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 1880421312 is about 43363.8249235466. The cubic root of 1880421312 is about 1234.2933473710.

The spelling of 1880421312 in words is "one billion, eight hundred eighty million, four hundred twenty-one thousand, three hundred twelve".