40304541 has 8 divisors (see below), whose sum is σ = 54475840. Its totient is φ = 26501472.

The previous prime is 40304527. The next prime is 40304549. The reversal of 40304541 is 14540304.

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

It is not a de Polignac number, because 40304541 - 2⁶ = 40304477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40304549) 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, 91801 + ... + 92238.

It is an arithmetic number, because the mean of its divisors is an integer number (6809480).

Almost surely, 2^40304541 is an apocalyptic number.

It is an amenable number.

40304541 is a deficient number, since it is larger than the sum of its proper divisors (14171299).

40304541 is a wasteful number, since it uses less digits than its factorization.

40304541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184115.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 40304541 is about 6348.5857480229. The cubic root of 40304541 is about 342.8609255783.

Adding to 40304541 its reverse (14540304), we get a palindrome (54844845).

The spelling of 40304541 in words is "forty million, three hundred four thousand, five hundred forty-one".