40329434 has 8 divisors (see below), whose sum is σ = 61323060. Its totient is φ = 19888416.

The previous prime is 40329433. The next prime is 40329461. The reversal of 40329434 is 43492304.

40329434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39000025 + 1329409 = 6245^2 + 1153^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 40329397 and 40329406.

It is not an unprimeable number, because it can be changed into a prime (40329433) 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 3 ways as a sum of consecutive naturals, for example, 137969 + ... + 138260.

Almost surely, 2^40329434 is an apocalyptic number.

40329434 is a deficient number, since it is larger than the sum of its proper divisors (20993626).

40329434 is a wasteful number, since it uses less digits than its factorization.

40329434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276304.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 40329434 is about 6350.5459607816. The cubic root of 40329434 is about 342.9314972832.

The spelling of 40329434 in words is "forty million, three hundred twenty-nine thousand, four hundred thirty-four".