29940442 has 16 divisors (see below), whose sum is σ = 52296192. Its totient is φ = 12589200.

The previous prime is 29940403. The next prime is 29940473. The reversal of 29940442 is 24404992.

It is a junction number, because it is equal to n+sod(n) for n = 29940398 and 29940407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19434 + ... + 20917.

It is an arithmetic number, because the mean of its divisors is an integer number (3268512).

Almost surely, 2^29940442 is an apocalyptic number.

29940442 is a deficient number, since it is larger than the sum of its proper divisors (22355750).

29940442 is a wasteful number, since it uses less digits than its factorization.

29940442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40413.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 29940442 is about 5471.7859972773. The cubic root of 29940442 is about 310.5174915357.

The spelling of 29940442 in words is "twenty-nine million, nine hundred forty thousand, four hundred forty-two".