40004611 has 2 divisors, whose sum is σ = 40004612. Its totient is φ = 40004610.

The previous prime is 40004609. The next prime is 40004651. The reversal of 40004611 is 11640004.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40004611 - 2¹ = 40004609 is a prime.

It is a super-2 number, since 2×40004611² = 3200737802522642, which contains 22 as substring.

Together with 40004609, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40004651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20002305 + 20002306.

It is an arithmetic number, because the mean of its divisors is an integer number (20002306).

Almost surely, 2^40004611 is an apocalyptic number.

40004611 is a deficient number, since it is larger than the sum of its proper divisors (1).

40004611 is an equidigital number, since it uses as much as digits as its factorization.

40004611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 40004611 is about 6324.9198413893. The cubic root of 40004611 is about 342.0083299956.

Adding to 40004611 its reverse (11640004), we get a palindrome (51644615).

The spelling of 40004611 in words is "forty million, four thousand, six hundred eleven".