42999020 has 48 divisors (see below), whose sum is σ = 92752128. Its totient is φ = 16739520.

The previous prime is 42999017. The next prime is 42999041. The reversal of 42999020 is 2099924.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 151799 + ... + 152081.

It is an arithmetic number, because the mean of its divisors is an integer number (1932336).

Almost surely, 2^42999020 is an apocalyptic number.

It is an amenable number.

42999020 is an abundant number, since it is smaller than the sum of its proper divisors (49753108).

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

42999020 is a wasteful number, since it uses less digits than its factorization.

42999020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 42999020 is about 6557.3637995768. The cubic root of 42999020 is about 350.3371445223.

The spelling of 42999020 in words is "forty-two million, nine hundred ninety-nine thousand, twenty".