42099088 has 20 divisors (see below), whose sum is σ = 81744768. Its totient is φ = 21003680.

The previous prime is 42099073. The next prime is 42099091. The reversal of 42099088 is 88099024.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42099088.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5433 + ... + 10663.

Almost surely, 2^42099088 is an apocalyptic number.

It is an amenable number.

42099088 is a deficient number, since it is larger than the sum of its proper divisors (39645680).

42099088 is a wasteful number, since it uses less digits than its factorization.

42099088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5742 (or 5736 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 42099088 is about 6488.3809999105. The cubic root of 42099088 is about 347.8758089462.

The spelling of 42099088 in words is "forty-two million, ninety-nine thousand, eighty-eight".