42299416 has 8 divisors (see below), whose sum is σ = 79311420. Its totient is φ = 21149704.

The previous prime is 42299393. The next prime is 42299419. The reversal of 42299416 is 61499224.

It is a happy number.

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

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42299419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2643706 + ... + 2643721.

Almost surely, 2^42299416 is an apocalyptic number.

It is an amenable number.

42299416 is a deficient number, since it is larger than the sum of its proper divisors (37012004).

42299416 is a wasteful number, since it uses less digits than its factorization.

42299416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5287433 (or 5287429 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 42299416 is about 6503.8001199299. The cubic root of 42299416 is about 348.4267236346.

The spelling of 42299416 in words is "forty-two million, two hundred ninety-nine thousand, four hundred sixteen".