1872668280 has 384 divisors, whose sum is σ = 6961697280. Its totient is φ = 400942080.

The previous prime is 1872668263. The next prime is 1872668351. The reversal of 1872668280 is 828662781.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8249527 + ... + 8249753.

It is an arithmetic number, because the mean of its divisors is an integer number (18129420).

Almost surely, 2^1872668280 is an apocalyptic number.

1872668280 is a gapful number since it is divisible by the number (10) 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 1872668280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3480848640).

1872668280 is an abundant number, since it is smaller than the sum of its proper divisors (5089029000).

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

1872668280 is a wasteful number, since it uses less digits than its factorization.

1872668280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The square root of 1872668280 is about 43274.3374299365. The cubic root of 1872668280 is about 1232.5946681505.

The spelling of 1872668280 in words is "one billion, eight hundred seventy-two million, six hundred sixty-eight thousand, two hundred eighty".