2005445424 has 40 divisors (see below), whose sum is σ = 5182634560. Its totient is φ = 668236608.

The previous prime is 2005445369. The next prime is 2005445447. The reversal of 2005445424 is 4245445002.

It is a super-2 number, since 2×2005445424² = 8043622697285079552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2005445391 and 2005445400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164367 + ... + 176145.

It is an arithmetic number, because the mean of its divisors is an integer number (129565864).

Almost surely, 2^2005445424 is an apocalyptic number.

2005445424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2005445424 is an abundant number, since it is smaller than the sum of its proper divisors (3177189136).

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

2005445424 is a wasteful number, since it uses less digits than its factorization.

2005445424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15337 (or 15331 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

The square root of 2005445424 is about 44782.1998566395. The cubic root of 2005445424 is about 1261.0634810715.

The spelling of 2005445424 in words is "two billion, five million, four hundred forty-five thousand, four hundred twenty-four".