42929418 has 16 divisors (see below), whose sum is σ = 98124480. Its totient is φ = 12265536.

The previous prime is 42929407. The next prime is 42929423. The reversal of 42929418 is 81492924.

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, 511023 + ... + 511106.

It is an arithmetic number, because the mean of its divisors is an integer number (6132780).

Almost surely, 2^42929418 is an apocalyptic number.

42929418 is an abundant number, since it is smaller than the sum of its proper divisors (55195062).

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

42929418 is a wasteful number, since it uses less digits than its factorization.

42929418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022141.

The product of its digits is 41472, while the sum is 39.

The square root of 42929418 is about 6552.0544869529. The cubic root of 42929418 is about 350.1480135873.

The spelling of 42929418 in words is "forty-two million, nine hundred twenty-nine thousand, four hundred eighteen".