1880205240040 has 16 divisors (see below), whose sum is σ = 4230461790180. Its totient is φ = 752082096000.

The previous prime is 1880205240037. The next prime is 1880205240071. The reversal of 1880205240040 is 400425020881.

It can be written as a sum of positive squares in 2 ways, for example, as 1655735856516 + 224469383524 = 1286754^2 + 473782^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1880205239978 and 1880205240005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23502565461 + ... + 23502565540.

Almost surely, 2^{1880205240040} is an apocalyptic number.

1880205240040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1880205240040 is an abundant number, since it is smaller than the sum of its proper divisors (2350256550140).

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

1880205240040 is a wasteful number, since it uses less digits than its factorization.

1880205240040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47005131012 (or 47005131008 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 34.

The spelling of 1880205240040 in words is "one trillion, eight hundred eighty billion, two hundred five million, two hundred forty thousand, forty".