40555008 has 120 divisors (see below), whose sum is σ = 126234108. Its totient is φ = 12460032.

The previous prime is 40554991. The next prime is 40555019. The reversal of 40555008 is 80055504.

It can be written as a sum of positive squares in 2 ways, for example, as 39538944 + 1016064 = 6288^2 + 1008^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59566 + ... + 60242.

Almost surely, 2^40555008 is an apocalyptic number.

40555008 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40555008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63117054).

40555008 is an abundant number, since it is smaller than the sum of its proper divisors (85679100).

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

40555008 is a wasteful number, since it uses less digits than its factorization.

40555008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714 (or 695 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 40555008 is about 6368.2814008176. The cubic root of 40555008 is about 343.5696800602.

The spelling of 40555008 in words is "forty million, five hundred fifty-five thousand, eight".