40343996 has 24 divisors (see below), whose sum is σ = 88023936. Its totient is φ = 15718320.

The previous prime is 40343987. The next prime is 40343999. The reversal of 40343996 is 69934304.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40343999) 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, 65186 + ... + 65801.

It is an arithmetic number, because the mean of its divisors is an integer number (3667664).

Almost surely, 2^40343996 is an apocalyptic number.

It is an amenable number.

40343996 is an abundant number, since it is smaller than the sum of its proper divisors (47679940).

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

40343996 is a wasteful number, since it uses less digits than its factorization.

40343996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131009 (or 131007 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 40343996 is about 6351.6923729035. The cubic root of 40343996 is about 342.9727671205.

The spelling of 40343996 in words is "forty million, three hundred forty-three thousand, nine hundred ninety-six".