43283213520 has 80 divisors (see below), whose sum is σ = 134609634432. Its totient is φ = 11505057280.

The previous prime is 43283213513. The next prime is 43283213521. The reversal of 43283213520 is 2531238234.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43283213521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215307 + ... + 364586.

Almost surely, 2^43283213520 is an apocalyptic number.

43283213520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43283213520 is an abundant number, since it is smaller than the sum of its proper divisors (91326420912).

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

43283213520 is a wasteful number, since it uses less digits than its factorization.

43283213520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580220 (or 580214 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 43283213520 in words is "forty-three billion, two hundred eighty-three million, two hundred thirteen thousand, five hundred twenty".