42929824 has 48 divisors (see below), whose sum is σ = 98860608. Its totient is φ = 17966592.

The previous prime is 42929813. The next prime is 42929839. The reversal of 42929824 is 42892924.

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 7 ways as a sum of consecutive naturals, for example, 7404 + ... + 11860.

It is an arithmetic number, because the mean of its divisors is an integer number (2059596).

Almost surely, 2^42929824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42929824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49430304).

42929824 is an abundant number, since it is smaller than the sum of its proper divisors (55930784).

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

42929824 is a wasteful number, since it uses less digits than its factorization.

42929824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4517 (or 4509 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 42929824 is about 6552.0854695280. The cubic root of 42929824 is about 350.1491174119.

The spelling of 42929824 in words is "forty-two million, nine hundred twenty-nine thousand, eight hundred twenty-four".