40522401 has 6 divisors (see below), whose sum is σ = 58532370. Its totient is φ = 27014928.

The previous prime is 40522399. The next prime is 40522403. The reversal of 40522401 is 10422504.

It is an interprime number because it is at equal distance from previous prime (40522399) and next prime (40522403).

It can be written as a sum of positive squares in only one way, i.e., 39388176 + 1134225 = 6276^2 + 1065^2 .

It is not a de Polignac number, because 40522401 - 2¹ = 40522399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40522403) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 2251236 + ... + 2251253.

It is an arithmetic number, because the mean of its divisors is an integer number (9755395).

Almost surely, 2^40522401 is an apocalyptic number.

It is an amenable number.

40522401 is a deficient number, since it is larger than the sum of its proper divisors (18009969).

40522401 is a wasteful number, since it uses less digits than its factorization.

40522401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4502495 (or 4502492 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 40522401 is about 6365.7207761572. The cubic root of 40522401 is about 343.4775765128.

Adding to 40522401 its reverse (10422504), we get a palindrome (50944905).

The spelling of 40522401 in words is "forty million, five hundred twenty-two thousand, four hundred one".