41240421 has 30 divisors (see below), whose sum is σ = 63104646. Its totient is φ = 26838000.

The previous prime is 41240411. The next prime is 41240461. The reversal of 41240421 is 12404214.

41240421 is a `hidden beast` number, since 4 + 1 + 240 + 421 = 666.

It can be written as a sum of positive squares in only one way, i.e., 40832100 + 408321 = 6390^2 + 639^2 .

It is not a de Polignac number, because 41240421 - 2⁵ = 41240389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 41240394 and 41240403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41240411) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 408271 + ... + 408371.

Almost surely, 2^41240421 is an apocalyptic number.

It is an amenable number.

41240421 is a deficient number, since it is larger than the sum of its proper divisors (21864225).

41240421 is an equidigital number, since it uses as much as digits as its factorization.

41240421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 41240421 is about 6421.8705218962. The cubic root of 41240421 is about 345.4944139981.

Adding to 41240421 its reverse (12404214), we get a palindrome (53644635).

The spelling of 41240421 in words is "forty-one million, two hundred forty thousand, four hundred twenty-one".