40299346 has 4 divisors (see below), whose sum is σ = 60449022. Its totient is φ = 20149672.

The previous prime is 40299319. The next prime is 40299353. The reversal of 40299346 is 64399204.

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., 27447121 + 12852225 = 5239^2 + 3585^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10074835 + ... + 10074838.

Almost surely, 2^40299346 is an apocalyptic number.

40299346 is a deficient number, since it is larger than the sum of its proper divisors (20149676).

40299346 is a wasteful number, since it uses less digits than its factorization.

40299346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20149675.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 40299346 is about 6348.1765885961. The cubic root of 40299346 is about 342.8461940783.

The spelling of 40299346 in words is "forty million, two hundred ninety-nine thousand, three hundred forty-six".