42029599 has 4 divisors (see below), whose sum is σ = 42056064. Its totient is φ = 42003136.

The previous prime is 42029587. The next prime is 42029621. The reversal of 42029599 is 99592024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42029599 - 2⁵ = 42029567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42029509) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 10687 + ... + 14080.

It is an arithmetic number, because the mean of its divisors is an integer number (10514016).

Almost surely, 2^42029599 is an apocalyptic number.

42029599 is a deficient number, since it is larger than the sum of its proper divisors (26465).

42029599 is a wasteful number, since it uses less digits than its factorization.

42029599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26464.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 42029599 is about 6483.0239086402. The cubic root of 42029599 is about 347.6843015939.

The spelling of 42029599 in words is "forty-two million, twenty-nine thousand, five hundred ninety-nine".