40323388 has 24 divisors (see below), whose sum is σ = 85391712. Its totient is φ = 16264704.

The previous prime is 40323331. The next prime is 40323421. The reversal of 40323388 is 88332304.

40323388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 41881 + ... + 42832.

It is an arithmetic number, because the mean of its divisors is an integer number (3557988).

Almost surely, 2^40323388 is an apocalyptic number.

It is an amenable number.

40323388 is an abundant number, since it is smaller than the sum of its proper divisors (45068324).

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

40323388 is a wasteful number, since it uses less digits than its factorization.

40323388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84741 (or 84739 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 40323388 is about 6350.0699208749. The cubic root of 40323388 is about 342.9143595317.

It can be divided in two parts, 4032 and 3388, that multiplied together give a square (13660416 = 3696²).

The spelling of 40323388 in words is "forty million, three hundred twenty-three thousand, three hundred eighty-eight".