40098008 has 8 divisors (see below), whose sum is σ = 75183780. Its totient is φ = 20049000.

The previous prime is 40098007. The next prime is 40098011. The reversal of 40098008 is 80089004.

40098008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40098001) by changing a digit.

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 as a sum of consecutive naturals, namely, 2506118 + ... + 2506133.

Almost surely, 2^40098008 is an apocalyptic number.

It is an amenable number.

40098008 is a deficient number, since it is larger than the sum of its proper divisors (35085772).

40098008 is a wasteful number, since it uses less digits than its factorization.

40098008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5012257 (or 5012253 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 40098008 is about 6332.2987926976. The cubic root of 40098008 is about 342.2742803873.

The spelling of 40098008 in words is "forty million, ninety-eight thousand, eight".