40329306 has 16 divisors (see below), whose sum is σ = 89620800. Its totient is φ = 13443084.

The previous prime is 40329301. The next prime is 40329307. The reversal of 40329306 is 60392304.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 40329306.

It is not an unprimeable number, because it can be changed into a prime (40329301) 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, 373366 + ... + 373473.

It is an arithmetic number, because the mean of its divisors is an integer number (5601300).

Almost surely, 2^40329306 is an apocalyptic number.

40329306 is an abundant number, since it is smaller than the sum of its proper divisors (49291494).

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

40329306 is a wasteful number, since it uses less digits than its factorization.

40329306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746850 (or 746844 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 40329306 is about 6350.5358829000. The cubic root of 40329306 is about 342.9311344772.

The spelling of 40329306 in words is "forty million, three hundred twenty-nine thousand, three hundred six".