40303929 has 8 divisors (see below), whose sum is σ = 53780992. Its totient is φ = 26848080.

The previous prime is 40303927. The next prime is 40303969. The reversal of 40303929 is 92930304.

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

It is not a de Polignac number, because 40303929 - 2¹ = 40303927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40303896 and 40303905.

It is not an unprimeable number, because it can be changed into a prime (40303927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154 + ... + 8979.

It is an arithmetic number, because the mean of its divisors is an integer number (6722624).

Almost surely, 2^40303929 is an apocalyptic number.

It is an amenable number.

40303929 is a deficient number, since it is larger than the sum of its proper divisors (13477063).

40303929 is a wasteful number, since it uses less digits than its factorization.

40303929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10607.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 40303929 is about 6348.5375481287. The cubic root of 40303929 is about 342.8591901911.

The spelling of 40303929 in words is "forty million, three hundred three thousand, nine hundred twenty-nine".