43020428 has 24 divisors (see below), whose sum is σ = 82491024. Its totient is φ = 19468800.

The previous prime is 43020413. The next prime is 43020431. The reversal of 43020428 is 82402034.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8576 + ... + 12632.

It is an arithmetic number, because the mean of its divisors is an integer number (3437126).

Almost surely, 2^43020428 is an apocalyptic number.

It is an amenable number.

43020428 is a deficient number, since it is larger than the sum of its proper divisors (39470596).

43020428 is a wasteful number, since it uses less digits than its factorization.

43020428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4313 (or 4311 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 43020428 is about 6558.9959597487. The cubic root of 43020428 is about 350.3952758723.

The spelling of 43020428 in words is "forty-three million, twenty thousand, four hundred twenty-eight".