40547808 has 72 divisors (see below), whose sum is σ = 131786928. Its totient is φ = 11584512.

The previous prime is 40547803. The next prime is 40547813. The reversal of 40547808 is 80874504.

40547808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40547803) and next prime (40547813).

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40547803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8041 + ... + 12072.

It is an arithmetic number, because the mean of its divisors is an integer number (1830374).

Almost surely, 2^40547808 is an apocalyptic number.

40547808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40547808 is an abundant number, since it is smaller than the sum of its proper divisors (91239120).

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

40547808 is a wasteful number, since it uses less digits than its factorization.

40547808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20136 (or 20125 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 40547808 is about 6367.7160740724. The cubic root of 40547808 is about 343.5493467876.

The spelling of 40547808 in words is "forty million, five hundred forty-seven thousand, eight hundred eight".