40660054 has 8 divisors (see below), whose sum is σ = 61093368. Its totient is φ = 20295600.

The previous prime is 40660049. The next prime is 40660079. The reversal of 40660054 is 45006604.

It is a happy number.

40660054 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 congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 15712 + ... + 18115.

It is an arithmetic number, because the mean of its divisors is an integer number (7636671).

Almost surely, 2^40660054 is an apocalyptic number.

40660054 is a deficient number, since it is larger than the sum of its proper divisors (20433314).

40660054 is a wasteful number, since it uses less digits than its factorization.

40660054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34430.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 40660054 is about 6376.5236610555. The cubic root of 40660054 is about 343.8660635518.

Adding to 40660054 its reverse (45006604), we get a palindrome (85666658).

The spelling of 40660054 in words is "forty million, six hundred sixty thousand, fifty-four".