40421241 has 32 divisors (see below), whose sum is σ = 70656000. Its totient is φ = 22349520.

The previous prime is 40421239. The next prime is 40421263. The reversal of 40421241 is 14212404.

40421241 is a `hidden beast` number, since 4 + 0 + 421 + 241 = 666.

It is not a de Polignac number, because 40421241 - 2¹ = 40421239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40421221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2410 + ... + 9308.

It is an arithmetic number, because the mean of its divisors is an integer number (2208000).

Almost surely, 2^40421241 is an apocalyptic number.

It is an amenable number.

40421241 is a deficient number, since it is larger than the sum of its proper divisors (30234759).

40421241 is a wasteful number, since it uses less digits than its factorization.

40421241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6946 (or 6940 counting only the distinct ones).

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

The square root of 40421241 is about 6357.7701279615. The cubic root of 40421241 is about 343.1915195469.

Adding to 40421241 its reverse (14212404), we get a palindrome (54633645).

The spelling of 40421241 in words is "forty million, four hundred twenty-one thousand, two hundred forty-one".