40660608 has 64 divisors (see below), whose sum is σ = 113709600. Its totient is φ = 12837888.

The previous prime is 40660577. The next prime is 40660637. The reversal of 40660608 is 80606604.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

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, 4510 + ... + 10082.

Almost surely, 2^40660608 is an apocalyptic number.

40660608 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 40660608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56854800).

40660608 is an abundant number, since it is smaller than the sum of its proper divisors (73048992).

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

40660608 is a wasteful number, since it uses less digits than its factorization.

40660608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5609 (or 5597 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 40660608 is about 6376.5671015053. The cubic root of 40660608 is about 343.8676252888.

The spelling of 40660608 in words is "forty million, six hundred sixty thousand, six hundred eight".