40749268 has 24 divisors (see below), whose sum is σ = 81793152. Its totient is φ = 17400864.

The previous prime is 40749259. The next prime is 40749287. The reversal of 40749268 is 86294704.

40749268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40749268.

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, 5721 + ... + 10687.

It is an arithmetic number, because the mean of its divisors is an integer number (3408048).

It is a vampire number, since it can be written as 4967 ⋅ 8204 (with its own digits).

Almost surely, 2^40749268 is an apocalyptic number.

It is an amenable number.

40749268 is an abundant number, since it is smaller than the sum of its proper divisors (41043884).

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

40749268 is a wasteful number, since it uses less digits than its factorization.

40749268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5271 (or 5269 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 40749268 is about 6383.5153324794. The cubic root of 40749268 is about 344.1173770173.

The spelling of 40749268 in words is "forty million, seven hundred forty-nine thousand, two hundred sixty-eight".