42999588 has 36 divisors (see below), whose sum is σ = 110230848. Its totient is φ = 14130480.

The previous prime is 42999569. The next prime is 42999601. The reversal of 42999588 is 88599924.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5856 + ... + 10967.

It is an arithmetic number, because the mean of its divisors is an integer number (3061968).

Almost surely, 2^42999588 is an apocalyptic number.

It is an amenable number.

42999588 is an abundant number, since it is smaller than the sum of its proper divisors (67231260).

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

42999588 is a wasteful number, since it uses less digits than its factorization.

42999588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16904 (or 16899 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 54.

The square root of 42999588 is about 6557.4071095213. The cubic root of 42999588 is about 350.3386871204.

The spelling of 42999588 in words is "forty-two million, nine hundred ninety-nine thousand, five hundred eighty-eight".