40200129 has 24 divisors (see below), whose sum is σ = 60046272. Its totient is φ = 25902240.

The previous prime is 40200109. The next prime is 40200133. The reversal of 40200129 is 92100204.

40200129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40200129 - 2¹² = 40196033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40200109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33274 + ... + 34460.

It is an arithmetic number, because the mean of its divisors is an integer number (2501928).

Almost surely, 2^40200129 is an apocalyptic number.

It is an amenable number.

40200129 is a deficient number, since it is larger than the sum of its proper divisors (19846143).

40200129 is a wasteful number, since it uses less digits than its factorization.

40200129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317 (or 1314 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 40200129 is about 6340.3571665956. The cubic root of 40200129 is about 342.5646003851.

The spelling of 40200129 in words is "forty million, two hundred thousand, one hundred twenty-nine".