1880100000 has 216 divisors, whose sum is σ = 6685939260. Its totient is φ = 501120000.

The previous prime is 1880099941. The next prime is 1880100007. The reversal of 1880100000 is 10881.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 35569296 + 1844530704 = 5964^2 + 42948^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1880100007) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 898956 + ... + 901044.

Almost surely, 2^1880100000 is an apocalyptic number.

1880100000 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 1880100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3342969630).

1880100000 is an abundant number, since it is smaller than the sum of its proper divisors (4805839260).

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

1880100000 is an equidigital number, since it uses as much as digits as its factorization.

1880100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130 (or 2099 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 1880100000 is about 43360.1199260334. The cubic root of 1880100000 is about 1234.2230411666.

Adding to 1880100000 its reverse (10881), we get a palindrome (1880110881).

The spelling of 1880100000 in words is "one billion, eight hundred eighty million, one hundred thousand".