29330140 has 48 divisors (see below), whose sum is σ = 70705152. Its totient is φ = 10011456.

The previous prime is 29330137. The next prime is 29330141. The reversal of 29330140 is 4103392.

It is a super-2 number, since 2×29330140² = 1720514224839200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29330141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53347 + ... + 53893.

It is an arithmetic number, because the mean of its divisors is an integer number (1473024).

Almost surely, 2^29330140 is an apocalyptic number.

29330140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29330140 is an abundant number, since it is smaller than the sum of its proper divisors (41375012).

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

29330140 is a wasteful number, since it uses less digits than its factorization.

29330140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946 (or 944 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 29330140 is about 5415.7307909459. The cubic root of 29330140 is about 308.3931422003.

The spelling of 29330140 in words is "twenty-nine million, three hundred thirty thousand, one hundred forty".