43481018 has 8 divisors (see below), whose sum is σ = 74538912. Its totient is φ = 18634716.

The previous prime is 43480991. The next prime is 43481023. The reversal of 43481018 is 81018434.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1552880 + ... + 1552907.

It is an arithmetic number, because the mean of its divisors is an integer number (9317364).

Almost surely, 2^43481018 is an apocalyptic number.

43481018 is a deficient number, since it is larger than the sum of its proper divisors (31057894).

43481018 is a wasteful number, since it uses less digits than its factorization.

43481018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3105796.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 43481018 is about 6594.0138004102. The cubic root of 43481018 is about 351.6413195970.

The spelling of 43481018 in words is "forty-three million, four hundred eighty-one thousand, eighteen".