40455122 has 4 divisors (see below), whose sum is σ = 60682686. Its totient is φ = 20227560.

The previous prime is 40455119. The next prime is 40455143. The reversal of 40455122 is 22155404.

It is a happy number.

40455122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 30349081 + 10106041 = 5509^2 + 3179^2 .

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 as a sum of consecutive naturals, namely, 10113779 + ... + 10113782.

Almost surely, 2^40455122 is an apocalyptic number.

40455122 is a deficient number, since it is larger than the sum of its proper divisors (20227564).

40455122 is a wasteful number, since it uses less digits than its factorization.

40455122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20227563.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 40455122 is about 6360.4341046818. The cubic root of 40455122 is about 343.2873802407.

The spelling of 40455122 in words is "forty million, four hundred fifty-five thousand, one hundred twenty-two".