40584981 has 8 divisors (see below), whose sum is σ = 54211680. Its totient is φ = 27007472.

The previous prime is 40584961. The next prime is 40584997. The reversal of 40584981 is 18948504.

40584981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 40584981 - 2⁶ = 40584917 is a prime.

It is a super-2 number, since 2×40584981² = 3294281365540722, which contains 22 as substring.

It is a zygodrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40584911) 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, 10326 + ... + 13703.

It is an arithmetic number, because the mean of its divisors is an integer number (6776460).

Almost surely, 2^40584981 is an apocalyptic number.

It is an amenable number.

40584981 is a deficient number, since it is larger than the sum of its proper divisors (13626699).

40584981 is a wasteful number, since it uses less digits than its factorization.

40584981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24595.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 40584981 is about 6370.6342698353. The cubic root of 40584981 is about 343.6542999270.

The spelling of 40584981 in words is "forty million, five hundred eighty-four thousand, nine hundred eighty-one".