40947508 has 36 divisors (see below), whose sum is σ = 86453472. Its totient is φ = 16621200.

The previous prime is 40947499. The next prime is 40947541. The reversal of 40947508 is 80574904.

40947508 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40947508² = 3353396822820128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 8083 + ... + 12133.

Almost surely, 2^40947508 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 40947508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43226736).

40947508 is an abundant number, since it is smaller than the sum of its proper divisors (45505964).

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

40947508 is a wasteful number, since it uses less digits than its factorization.

40947508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100 (or 4079 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 40947508 is about 6399.0239880782. The cubic root of 40947508 is about 344.6745036152.

The spelling of 40947508 in words is "forty million, nine hundred forty-seven thousand, five hundred eight".