40232864 has 48 divisors (see below), whose sum is σ = 92651328. Its totient is φ = 16837632.

The previous prime is 40232837. The next prime is 40232869. The reversal of 40232864 is 46823204.

40232864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40232869) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7544 + ... + 11720.

It is an arithmetic number, because the mean of its divisors is an integer number (1930236).

Almost surely, 2^40232864 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 40232864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46325664).

40232864 is an abundant number, since it is smaller than the sum of its proper divisors (52418464).

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

40232864 is a wasteful number, since it uses less digits than its factorization.

40232864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4237 (or 4229 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 40232864 is about 6342.9381204612. The cubic root of 40232864 is about 342.6575587083.

The spelling of 40232864 in words is "forty million, two hundred thirty-two thousand, eight hundred sixty-four".