40749608 has 16 divisors (see below), whose sum is σ = 77083380. Its totient is φ = 20194048.

The previous prime is 40749607. The next prime is 40749619. The reversal of 40749608 is 80694704.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 37429924 + 3319684 = 6118^2 + 1822^2 .

It is not an unprimeable number, because it can be changed into a prime (40749607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21635 + ... + 23442.

Almost surely, 2^40749608 is an apocalyptic number.

It is an amenable number.

40749608 is a deficient number, since it is larger than the sum of its proper divisors (36333772).

40749608 is a wasteful number, since it uses less digits than its factorization.

40749608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45196 (or 45192 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 40749608 is about 6383.5419635184. The cubic root of 40749608 is about 344.1183340863.

The spelling of 40749608 in words is "forty million, seven hundred forty-nine thousand, six hundred eight".