1880145340 has 24 divisors (see below), whose sum is σ = 3952640160. Its totient is φ = 751232448.

The previous prime is 1880145329. The next prime is 1880145347. The reversal of 1880145340 is 435410881.

It is a junction number, because it is equal to n+sod(n) for n = 1880145296 and 1880145305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1880145347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32767 + ... + 69526.

It is an arithmetic number, because the mean of its divisors is an integer number (164693340).

Almost surely, 2^1880145340 is an apocalyptic number.

1880145340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1880145340 is an abundant number, since it is smaller than the sum of its proper divisors (2072494820).

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

1880145340 is a wasteful number, since it uses less digits than its factorization.

1880145340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103221 (or 103219 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 1880145340 is about 43360.6427535386. The cubic root of 1880145340 is about 1234.2329624869.

The spelling of 1880145340 in words is "one billion, eight hundred eighty million, one hundred forty-five thousand, three hundred forty".