43542416 has 10 divisors (see below), whose sum is σ = 84363462. Its totient is φ = 21771200.

The previous prime is 43542409. The next prime is 43542431. The reversal of 43542416 is 61424534.

It can be written as a sum of positive squares in only one way, i.e., 43296400 + 246016 = 6580^2 + 496^2 .

It is a super-2 number, since 2×43542416² = 3791883982234112, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1360685 + ... + 1360716.

Almost surely, 2^43542416 is an apocalyptic number.

It is an amenable number.

43542416 is a deficient number, since it is larger than the sum of its proper divisors (40821046).

43542416 is a wasteful number, since it uses less digits than its factorization.

43542416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2721409 (or 2721403 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 43542416 is about 6598.6677443254. The cubic root of 43542416 is about 351.8067551556.

The spelling of 43542416 in words is "forty-three million, five hundred forty-two thousand, four hundred sixteen".