205004214300440 has 32 divisors (see below), whose sum is σ = 461270674172880. Its totient is φ = 81999696031872.

The previous prime is 205004214300409. The next prime is 205004214300467. The reversal of 205004214300440 is 44003412400502.

It is a congruent number.

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, 60508067 + ... + 63806226.

Almost surely, 2^{205004214300440} is an apocalyptic number.

205004214300440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205004214300440 is an abundant number, since it is smaller than the sum of its proper divisors (256266459872440).

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

205004214300440 is a wasteful number, since it uses less digits than its factorization.

205004214300440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124355531 (or 124355527 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 205004214300440 its reverse (44003412400502), we get a palindrome (249007626700942).

The spelling of 205004214300440 in words is "two hundred five trillion, four billion, two hundred fourteen million, three hundred thousand, four hundred forty".