40545329 has 8 divisors (see below), whose sum is σ = 44294688. Its totient is φ = 36806560.

The previous prime is 40545317. The next prime is 40545341. The reversal of 40545329 is 92354504.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40545317) and next prime (40545341).

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

It is a cyclic number.

It is not a de Polignac number, because 40545329 - 2⁴ = 40545313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40545295 and 40545304.

It is not an unprimeable number, because it can be changed into a prime (40575329) 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, 6869 + ... + 11325.

It is an arithmetic number, because the mean of its divisors is an integer number (5536836).

Almost surely, 2^40545329 is an apocalyptic number.

It is an amenable number.

40545329 is a deficient number, since it is larger than the sum of its proper divisors (3749359).

40545329 is a wasteful number, since it uses less digits than its factorization.

40545329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5295.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 40545329 is about 6367.5214173177. The cubic root of 40545329 is about 343.5423453718.

The spelling of 40545329 in words is "forty million, five hundred forty-five thousand, three hundred twenty-nine".