40499306 has 8 divisors (see below), whose sum is σ = 61122144. Its totient is φ = 20125260.

The previous prime is 40499233. The next prime is 40499309. The reversal of 40499306 is 60399404.

It is a happy number.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40499309) 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, 61790 + ... + 62441.

It is an arithmetic number, because the mean of its divisors is an integer number (7640268).

Almost surely, 2^40499306 is an apocalyptic number.

40499306 is a deficient number, since it is larger than the sum of its proper divisors (20622838).

40499306 is a wasteful number, since it uses less digits than its factorization.

40499306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124396.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 40499306 is about 6363.9065046558. The cubic root of 40499306 is about 343.4123111951.

The spelling of 40499306 in words is "forty million, four hundred ninety-nine thousand, three hundred six".