40303296 has 84 divisors (see below), whose sum is σ = 126043944. Its totient is φ = 12211200.

The previous prime is 40303283. The next prime is 40303303. The reversal of 40303296 is 69230304.

40303296 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3156 + ... + 9516.

Almost surely, 2^40303296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40303296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63021972).

40303296 is an abundant number, since it is smaller than the sum of its proper divisors (85740648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40303296 is a wasteful number, since it uses less digits than its factorization.

40303296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6390 (or 6377 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 40303296 is about 6348.4876939315. The cubic root of 40303296 is about 342.8573952379.

The spelling of 40303296 in words is "forty million, three hundred three thousand, two hundred ninety-six".