29440142 has 16 divisors (see below), whose sum is σ = 46559232. Its totient is φ = 13940760.

The previous prime is 29440129. The next prime is 29440153. The reversal of 29440142 is 24104492.

It is a congruent number.

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, 2138 + ... + 7965.

It is an arithmetic number, because the mean of its divisors is an integer number (2909952).

Almost surely, 2^29440142 is an apocalyptic number.

29440142 is a deficient number, since it is larger than the sum of its proper divisors (17119090).

29440142 is a wasteful number, since it uses less digits than its factorization.

29440142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10183.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 29440142 is about 5425.8770719580. The cubic root of 29440142 is about 308.7782016233.

The spelling of 29440142 in words is "twenty-nine million, four hundred forty thousand, one hundred forty-two".