40593680 has 20 divisors (see below), whose sum is σ = 94380492. Its totient is φ = 16237440.

The previous prime is 40593673. The next prime is 40593697. The reversal of 40593680 is 8639504.

It can be written as a sum of positive squares in 2 ways, for example, as 9412624 + 31181056 = 3068^2 + 5584^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 40593680.

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 3 ways as a sum of consecutive naturals, for example, 253631 + ... + 253790.

Almost surely, 2^40593680 is an apocalyptic number.

40593680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40593680 is an abundant number, since it is smaller than the sum of its proper divisors (53786812).

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

40593680 is a wasteful number, since it uses less digits than its factorization.

40593680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507434 (or 507428 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 40593680 is about 6371.3169753199. The cubic root of 40593680 is about 343.6788511701.

The spelling of 40593680 in words is "forty million, five hundred ninety-three thousand, six hundred eighty".