40788312 has 64 divisors (see below), whose sum is σ = 106844160. Its totient is φ = 12960000.

The previous prime is 40788311. The next prime is 40788329. The reversal of 40788312 is 21388704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40788311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53937 + ... + 54687.

It is an arithmetic number, because the mean of its divisors is an integer number (1669440).

Almost surely, 2^40788312 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 40788312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53422080).

40788312 is an abundant number, since it is smaller than the sum of its proper divisors (66055848).

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

40788312 is a wasteful number, since it uses less digits than its factorization.

40788312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 40788312 is about 6386.5727898459. The cubic root of 40788312 is about 344.2272475389.

The spelling of 40788312 in words is "forty million, seven hundred eighty-eight thousand, three hundred twelve".