40487908 has 12 divisors (see below), whose sum is σ = 71395632. Its totient is φ = 20089160.

The previous prime is 40487903. The next prime is 40487911. The reversal of 40487908 is 80978404.

It is not an unprimeable number, because it can be changed into a prime (40487903) 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, 38110 + ... + 39157.

It is an arithmetic number, because the mean of its divisors is an integer number (5949636).

Almost surely, 2^40487908 is an apocalyptic number.

It is an amenable number.

40487908 is a deficient number, since it is larger than the sum of its proper divisors (30907724).

40487908 is a wasteful number, since it uses less digits than its factorization.

40487908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77402 (or 77400 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 40487908 is about 6363.0109225114. The cubic root of 40487908 is about 343.3800918711.

The spelling of 40487908 in words is "forty million, four hundred eighty-seven thousand, nine hundred eight".