40408968 has 32 divisors (see below), whose sum is σ = 101757600. Its totient is φ = 13371648.

The previous prime is 40408961. The next prime is 40408981. The reversal of 40408968 is 86980404.

It is not an unprimeable number, because it can be changed into a prime (40408961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2721 + ... + 9392.

It is an arithmetic number, because the mean of its divisors is an integer number (3179925).

Almost surely, 2^40408968 is an apocalyptic number.

It is an amenable number.

40408968 is an abundant number, since it is smaller than the sum of its proper divisors (61348632).

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

40408968 is a wasteful number, since it uses less digits than its factorization.

40408968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12261 (or 12257 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 40408968 is about 6356.8048577882. The cubic root of 40408968 is about 343.1567819042.

The spelling of 40408968 in words is "forty million, four hundred eight thousand, nine hundred sixty-eight".