40041008 has 20 divisors (see below), whose sum is σ = 88662480. Its totient is φ = 17160384.

The previous prime is 40041007. The next prime is 40041073. The reversal of 40041008 is 80014004.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40041007) 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, 178643 + ... + 178866.

It is an arithmetic number, because the mean of its divisors is an integer number (4433124).

Almost surely, 2^40041008 is an apocalyptic number.

It is an amenable number.

40041008 is an abundant number, since it is smaller than the sum of its proper divisors (48621472).

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

40041008 is a wasteful number, since it uses less digits than its factorization.

40041008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357524 (or 357518 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 40041008 is about 6327.7964569035. The cubic root of 40041008 is about 342.1120205753.

The spelling of 40041008 in words is "forty million, forty-one thousand, eight".