40624242 has 32 divisors (see below), whose sum is σ = 85821120. Its totient is φ = 12784320.

The previous prime is 40624217. The next prime is 40624301. The reversal of 40624242 is 24242604.

40624242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 52168 + ... + 52940.

It is an arithmetic number, because the mean of its divisors is an integer number (2681910).

Almost surely, 2^40624242 is an apocalyptic number.

40624242 is an abundant number, since it is smaller than the sum of its proper divisors (45196878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40624242 is a wasteful number, since it uses less digits than its factorization.

40624242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 40624242 is about 6373.7149293014. The cubic root of 40624242 is about 343.7650786994.

Adding to 40624242 its reverse (24242604), we get a palindrome (64866846).

The spelling of 40624242 in words is "forty million, six hundred twenty-four thousand, two hundred forty-two".