40342441 has 2 divisors, whose sum is σ = 40342442. Its totient is φ = 40342440.

The previous prime is 40342433. The next prime is 40342481. The reversal of 40342441 is 14424304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23078416 + 17264025 = 4804^2 + 4155^2 .

It is a cyclic number.

It is not a de Polignac number, because 40342441 - 2³ = 40342433 is a prime.

It is not a weakly prime, because it can be changed into another prime (40342481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20171220 + 20171221.

It is an arithmetic number, because the mean of its divisors is an integer number (20171221).

Almost surely, 2^40342441 is an apocalyptic number.

It is an amenable number.

40342441 is a deficient number, since it is larger than the sum of its proper divisors (1).

40342441 is an equidigital number, since it uses as much as digits as its factorization.

40342441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 40342441 is about 6351.5699634027. The cubic root of 40342441 is about 342.9683606036.

Adding to 40342441 its reverse (14424304), we get a palindrome (54766745).

The spelling of 40342441 in words is "forty million, three hundred forty-two thousand, four hundred forty-one".