42599808 has 48 divisors (see below), whose sum is σ = 122588700. Its totient is φ = 14199552.

The previous prime is 42599789. The next prime is 42599819. The reversal of 42599808 is 80899524.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17338 + ... + 19641.

Almost surely, 2^42599808 is an apocalyptic number.

42599808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

42599808 is an abundant number, since it is smaller than the sum of its proper divisors (79988892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42599808 is a wasteful number, since it uses less digits than its factorization.

42599808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36999 (or 36984 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 42599808 is about 6526.8528403818. The cubic root of 42599808 is about 349.2495703967.

The spelling of 42599808 in words is "forty-two million, five hundred ninety-nine thousand, eight hundred eight".