40543630 has 16 divisors (see below), whose sum is σ = 73309824. Its totient is φ = 16143840.

The previous prime is 40543621. The next prime is 40543639. The reversal of 40543630 is 3634504.

40543630 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 (40543621) and next prime (40543639).

It is a junction number, because it is equal to n+sod(n) for n = 40543595 and 40543604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40543639) 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 7 ways as a sum of consecutive naturals, for example, 6861 + ... + 11320.

It is an arithmetic number, because the mean of its divisors is an integer number (4581864).

Almost surely, 2^40543630 is an apocalyptic number.

40543630 is a deficient number, since it is larger than the sum of its proper divisors (32766194).

40543630 is a wasteful number, since it uses less digits than its factorization.

40543630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18411.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 40543630 is about 6367.3880045117. The cubic root of 40543630 is about 343.5375467377.

The spelling of 40543630 in words is "forty million, five hundred forty-three thousand, six hundred thirty".