40945008 has 40 divisors (see below), whose sum is σ = 113912848. Its totient is φ = 12598272.

The previous prime is 40945007. The next prime is 40945033. The reversal of 40945008 is 80054904.

It is a super-3 number, since 3×40945008³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40945001) 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, 32185 + ... + 33432.

Almost surely, 2^40945008 is an apocalyptic number.

40945008 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40945008 is an abundant number, since it is smaller than the sum of its proper divisors (72967840).

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

40945008 is a wasteful number, since it uses less digits than its factorization.

40945008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65641 (or 65635 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 40945008 is about 6398.8286428064. The cubic root of 40945008 is about 344.6674889125.

The spelling of 40945008 in words is "forty million, nine hundred forty-five thousand, eight".