40329450 has 216 divisors, whose sum is σ = 132312960. Its totient is φ = 8769600.

The previous prime is 40329433. The next prime is 40329461. The reversal of 40329450 is 5492304.

40329450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

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 107 ways as a sum of consecutive naturals, for example, 683521 + ... + 683579.

It is an arithmetic number, because the mean of its divisors is an integer number (612560).

Almost surely, 2^40329450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40329450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66156480).

40329450 is an abundant number, since it is smaller than the sum of its proper divisors (91983510).

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

40329450 is a wasteful number, since it uses less digits than its factorization.

40329450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 40329450 is about 6350.5472205157. The cubic root of 40329450 is about 342.9315426339.

The spelling of 40329450 in words is "forty million, three hundred twenty-nine thousand, four hundred fifty".