1880783380 has 24 divisors (see below), whose sum is σ = 4513880448. Its totient is φ = 644839968.

The previous prime is 1880783357. The next prime is 1880783383. The reversal of 1880783380 is 833870881.

It is a super-2 number, since 2×1880783380² = 7074692244968448800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1880783380.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1880783383) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6716944 + ... + 6717223.

It is an arithmetic number, because the mean of its divisors is an integer number (188078352).

Almost surely, 2^1880783380 is an apocalyptic number.

1880783380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1880783380 is an abundant number, since it is smaller than the sum of its proper divisors (2633097068).

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

1880783380 is a wasteful number, since it uses less digits than its factorization.

1880783380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13434183 (or 13434181 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 1880783380 is about 43367.9994927135. Note that the first 3 decimals coincide. The cubic root of 1880783380 is about 1234.3725617898.

The spelling of 1880783380 in words is "one billion, eight hundred eighty million, seven hundred eighty-three thousand, three hundred eighty".