40346330 has 8 divisors (see below), whose sum is σ = 72623412. Its totient is φ = 16138528.

The previous prime is 40346309. The next prime is 40346333. The reversal of 40346330 is 3364304.

It can be written as a sum of positive squares in 2 ways, for example, as 34210801 + 6135529 = 5849^2 + 2477^2 .

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 = 40346296 and 40346305.

It is not an unprimeable number, because it can be changed into a prime (40346333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2017307 + ... + 2017326.

Almost surely, 2^40346330 is an apocalyptic number.

40346330 is a deficient number, since it is larger than the sum of its proper divisors (32277082).

40346330 is a wasteful number, since it uses less digits than its factorization.

40346330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4034640.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 40346330 is about 6351.8761008068. The cubic root of 40346330 is about 342.9793809341.

The spelling of 40346330 in words is "forty million, three hundred forty-six thousand, three hundred thirty".