40813608 has 64 divisors (see below), whose sum is σ = 114923520. Its totient is φ = 11966400.

The previous prime is 40813603. The next prime is 40813613. The reversal of 40813608 is 80631804.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40813603) and next prime (40813613).

It is not an unprimeable number, because it can be changed into a prime (40813601) 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 15 ways as a sum of consecutive naturals, for example, 5691 + ... + 10677.

It is an arithmetic number, because the mean of its divisors is an integer number (1795680).

Almost surely, 2^40813608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40813608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57461760).

40813608 is an abundant number, since it is smaller than the sum of its proper divisors (74109912).

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

40813608 is a wasteful number, since it uses less digits than its factorization.

40813608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5038 (or 5034 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 40813608 is about 6388.5528877830. The cubic root of 40813608 is about 344.2983935165.

The spelling of 40813608 in words is "forty million, eight hundred thirteen thousand, six hundred eight".