40030346 has 4 divisors (see below), whose sum is σ = 60045522. Its totient is φ = 20015172.

The previous prime is 40030313. The next prime is 40030357. The reversal of 40030346 is 64303004.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 29539225 + 10491121 = 5435^2 + 3239^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10007585 + ... + 10007588.

Almost surely, 2^40030346 is an apocalyptic number.

40030346 is a deficient number, since it is larger than the sum of its proper divisors (20015176).

40030346 is a wasteful number, since it uses less digits than its factorization.

40030346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20015175.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 40030346 is about 6326.9539274441. The cubic root of 40030346 is about 342.0816523574.

The spelling of 40030346 in words is "forty million, thirty thousand, three hundred forty-six".