40529868 has 24 divisors (see below), whose sum is σ = 94693872. Its totient is φ = 13492224.

The previous prime is 40529861. The next prime is 40529893. The reversal of 40529868 is 86892504.

It is not an unprimeable number, because it can be changed into a prime (40529861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9996 + ... + 13452.

It is an arithmetic number, because the mean of its divisors is an integer number (3945578).

Almost surely, 2^40529868 is an apocalyptic number.

It is an amenable number.

40529868 is an abundant number, since it is smaller than the sum of its proper divisors (54164004).

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

40529868 is a wasteful number, since it uses less digits than its factorization.

40529868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4441 (or 4439 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 40529868 is about 6366.3072498898. The cubic root of 40529868 is about 343.4986725772.

The spelling of 40529868 in words is "forty million, five hundred twenty-nine thousand, eight hundred sixty-eight".