40324641 has 8 divisors (see below), whose sum is σ = 61447104. Its totient is φ = 23042640.

The previous prime is 40324621. The next prime is 40324651. The reversal of 40324641 is 14642304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40324641 - 2⁷ = 40324513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40324601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 960090 + ... + 960131.

It is an arithmetic number, because the mean of its divisors is an integer number (7680888).

Almost surely, 2^40324641 is an apocalyptic number.

It is an amenable number.

40324641 is a deficient number, since it is larger than the sum of its proper divisors (21122463).

40324641 is a wasteful number, since it uses less digits than its factorization.

40324641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920231.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 40324641 is about 6350.1685804394. The cubic root of 40324641 is about 342.9179113765.

Adding to 40324641 its reverse (14642304), we get a palindrome (54966945).

The spelling of 40324641 in words is "forty million, three hundred twenty-four thousand, six hundred forty-one".