2285505185680 has 40 divisors (see below), whose sum is σ = 5314263885432. Its totient is φ = 914122189824.

The previous prime is 2285505185669. The next prime is 2285505185681. The reversal of 2285505185680 is 865815055822.

It can be written as a sum of positive squares in 4 ways, for example, as 101635990416 + 2183869195264 = 318804^2 + 1477792^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (2285505185681) 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, 322687 + ... + 2162206.

Almost surely, 2^{2285505185680} is an apocalyptic number.

2285505185680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2285505185680 is an abundant number, since it is smaller than the sum of its proper divisors (3028758699752).

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

2285505185680 is a wasteful number, since it uses less digits than its factorization.

2285505185680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2496403 (or 2496397 counting only the distinct ones).

The product of its (nonzero) digits is 7680000, while the sum is 55.

The spelling of 2285505185680 in words is "two trillion, two hundred eighty-five billion, five hundred five million, one hundred eighty-five thousand, six hundred eighty".