43213283520 has 112 divisors (see below), whose sum is σ = 149675136768. Its totient is φ = 10475944960.

The previous prime is 43213283473. The next prime is 43213283539. The reversal of 43213283520 is 2538231234.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 2035524 + ... + 2056643.

Almost surely, 2^43213283520 is an apocalyptic number.

43213283520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43213283520 is an abundant number, since it is smaller than the sum of its proper divisors (106461853248).

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

43213283520 is a wasteful number, since it uses less digits than its factorization.

43213283520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4092198 (or 4092188 counting only the distinct ones).

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

The spelling of 43213283520 in words is "forty-three billion, two hundred thirteen million, two hundred eighty-three thousand, five hundred twenty".