43213040255320 has 64 divisors (see below), whose sum is σ = 104989240984320. Its totient is φ = 15912807657984.

The previous prime is 43213040255311. The next prime is 43213040255351. The reversal of 43213040255320 is 2355204031234.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111202824 + ... + 111590743.

It is an arithmetic number, because the mean of its divisors is an integer number (1640456890380).

Almost surely, 2^{43213040255320} is an apocalyptic number.

43213040255320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43213040255320 is an abundant number, since it is smaller than the sum of its proper divisors (61776200729000).

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

43213040255320 is a wasteful number, since it uses less digits than its factorization.

43213040255320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222793964 (or 222793960 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 43213040255320 its reverse (2355204031234), we get a palindrome (45568244286554).

The spelling of 43213040255320 in words is "forty-three trillion, two hundred thirteen billion, forty million, two hundred fifty-five thousand, three hundred twenty".