40288441 has 2 divisors, whose sum is σ = 40288442. Its totient is φ = 40288440.

The previous prime is 40288439. The next prime is 40288459. The reversal of 40288441 is 14488204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38700841 + 1587600 = 6221^2 + 1260^2 .

It is a cyclic number.

It is not a de Polignac number, because 40288441 - 2¹ = 40288439 is a prime.

Together with 40288439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40288841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20144220 + 20144221.

It is an arithmetic number, because the mean of its divisors is an integer number (20144221).

Almost surely, 2^40288441 is an apocalyptic number.

It is an amenable number.

40288441 is a deficient number, since it is larger than the sum of its proper divisors (1).

40288441 is an equidigital number, since it uses as much as digits as its factorization.

40288441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8192, while the sum is 31.

The square root of 40288441 is about 6347.3176224292. The cubic root of 40288441 is about 342.8152665703.

The spelling of 40288441 in words is "forty million, two hundred eighty-eight thousand, four hundred forty-one".