43728228492 has 48 divisors (see below), whose sum is σ = 113670207840. Its totient is φ = 12990878208.

The previous prime is 43728228473. The next prime is 43728228497. The reversal of 43728228492 is 29482282734.

It is not an unprimeable number, because it can be changed into a prime (43728228497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4828393 + ... + 4837440.

It is an arithmetic number, because the mean of its divisors is an integer number (2368129330).

Almost surely, 2^43728228492 is an apocalyptic number.

It is an amenable number.

43728228492 is an abundant number, since it is smaller than the sum of its proper divisors (69941979348).

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

43728228492 is a wasteful number, since it uses less digits than its factorization.

43728228492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9665882 (or 9665880 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 51.

The spelling of 43728228492 in words is "forty-three billion, seven hundred twenty-eight million, two hundred twenty-eight thousand, four hundred ninety-two".