42916424 has 8 divisors (see below), whose sum is σ = 80468310. Its totient is φ = 21458208.

The previous prime is 42916403. The next prime is 42916429. The reversal of 42916424 is 42461924.

It can be written as a sum of positive squares in only one way, i.e., 42902500 + 13924 = 6550^2 + 118^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (42916429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2682269 + ... + 2682284.

Almost surely, 2^42916424 is an apocalyptic number.

It is an amenable number.

42916424 is a deficient number, since it is larger than the sum of its proper divisors (37551886).

42916424 is a wasteful number, since it uses less digits than its factorization.

42916424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5364559 (or 5364555 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 42916424 is about 6551.0628145363. The cubic root of 42916424 is about 350.1126820856.

The spelling of 42916424 in words is "forty-two million, nine hundred sixteen thousand, four hundred twenty-four".