40055122 has 4 divisors (see below), whose sum is σ = 60082686. Its totient is φ = 20027560.

The previous prime is 40055107. The next prime is 40055137. The reversal of 40055122 is 22155004.

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

It is an interprime number because it is at equal distance from previous prime (40055107) and next prime (40055137).

It can be written as a sum of positive squares in only one way, i.e., 20421361 + 19633761 = 4519^2 + 4431^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40055122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10013779 + ... + 10013782.

Almost surely, 2^40055122 is an apocalyptic number.

40055122 is a deficient number, since it is larger than the sum of its proper divisors (20027564).

40055122 is a wasteful number, since it uses less digits than its factorization.

40055122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20027563.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 40055122 is about 6328.9115967913. The cubic root of 40055122 is about 342.1522127189.

The spelling of 40055122 in words is "forty million, fifty-five thousand, one hundred twenty-two".