40542446 has 16 divisors (see below), whose sum is σ = 69672960. Its totient is φ = 17332440.

The previous prime is 40542431. The next prime is 40542457. The reversal of 40542446 is 64424504.

It is a happy number.

40542446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 2675 + ... + 9393.

It is an arithmetic number, because the mean of its divisors is an integer number (4354560).

Almost surely, 2^40542446 is an apocalyptic number.

40542446 is a deficient number, since it is larger than the sum of its proper divisors (29130514).

40542446 is a wasteful number, since it uses less digits than its factorization.

40542446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7159.

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 40542446 is about 6367.2950300736. The cubic root of 40542446 is about 343.5342025838.

The spelling of 40542446 in words is "forty million, five hundred forty-two thousand, four hundred forty-six".