40548129 has 8 divisors (see below), whose sum is σ = 54543072. Its totient is φ = 26792640.

The previous prime is 40548121. The next prime is 40548143. The reversal of 40548129 is 92184504.

40548129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40548129 - 2³ = 40548121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40548129.

It is not an unprimeable number, because it can be changed into a prime (40548121) 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 7 ways as a sum of consecutive naturals, for example, 59467 + ... + 60144.

It is an arithmetic number, because the mean of its divisors is an integer number (6817884).

Almost surely, 2^40548129 is an apocalyptic number.

It is an amenable number.

40548129 is a deficient number, since it is larger than the sum of its proper divisors (13994943).

40548129 is a wasteful number, since it uses less digits than its factorization.

40548129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119727.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 40548129 is about 6367.7412792921. The cubic root of 40548129 is about 343.5502533640.

The spelling of 40548129 in words is "forty million, five hundred forty-eight thousand, one hundred twenty-nine".