1860080880 has 320 divisors, whose sum is σ = 6923842560. Its totient is φ = 404103168.

The previous prime is 1860080861. The next prime is 1860080881. The reversal of 1860080880 is 880800681.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1860080881) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3556299 + ... + 3556821.

It is an arithmetic number, because the mean of its divisors is an integer number (21637008).

Almost surely, 2^1860080880 is an apocalyptic number.

1860080880 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 1860080880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3461921280).

1860080880 is an abundant number, since it is smaller than the sum of its proper divisors (5063761680).

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

1860080880 is a wasteful number, since it uses less digits than its factorization.

1860080880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 39.

The square root of 1860080880 is about 43128.6549755496. The cubic root of 1860080880 is about 1229.8267718236.

The spelling of 1860080880 in words is "one billion, eight hundred sixty million, eighty thousand, eight hundred eighty".