243002025165420 has 72 divisors (see below), whose sum is σ = 741628266668016. Its totient is φ = 64402990710912.

The previous prime is 243002025165373. The next prime is 243002025165433. The reversal of 243002025165420 is 24561520200342.

243002025165420 is a `hidden beast` number, since 2 + 4 + 30 + 0 + 20 + 25 + 165 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4141109467 + ... + 4141168146.

Almost surely, 2^{243002025165420} is an apocalyptic number.

243002025165420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243002025165420 is an abundant number, since it is smaller than the sum of its proper divisors (498626241502596).

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

243002025165420 is a wasteful number, since it uses less digits than its factorization.

243002025165420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8282277791 (or 8282277786 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 243002025165420 its reverse (24561520200342), we get a palindrome (267563545365762).

The spelling of 243002025165420 in words is "two hundred forty-three trillion, two billion, twenty-five million, one hundred sixty-five thousand, four hundred twenty".