41400641 has 2 divisors, whose sum is σ = 41400642. Its totient is φ = 41400640.

The previous prime is 41400613. The next prime is 41400659. The reversal of 41400641 is 14600414.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38390416 + 3010225 = 6196^2 + 1735^2 .

It is a cyclic number.

It is not a de Polignac number, because 41400641 - 2¹⁴ = 41384257 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (41400691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20700320 + 20700321.

It is an arithmetic number, because the mean of its divisors is an integer number (20700321).

Almost surely, 2^41400641 is an apocalyptic number.

It is an amenable number.

41400641 is a deficient number, since it is larger than the sum of its proper divisors (1).

41400641 is an equidigital number, since it uses as much as digits as its factorization.

41400641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 41400641 is about 6434.3329879639. The cubic root of 41400641 is about 345.9412537949.

The spelling of 41400641 in words is "forty-one million, four hundred thousand, six hundred forty-one".