40642411 has 2 divisors, whose sum is σ = 40642412. Its totient is φ = 40642410.

The previous prime is 40642397. The next prime is 40642417. The reversal of 40642411 is 11424604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40642411 - 2¹¹ = 40640363 is a prime.

It is not a weakly prime, because it can be changed into another prime (40642417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20321205 + 20321206.

It is an arithmetic number, because the mean of its divisors is an integer number (20321206).

Almost surely, 2^40642411 is an apocalyptic number.

40642411 is a deficient number, since it is larger than the sum of its proper divisors (1).

40642411 is an equidigital number, since it uses as much as digits as its factorization.

40642411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 40642411 is about 6375.1400768924. The cubic root of 40642411 is about 343.8163201626.

The spelling of 40642411 in words is "forty million, six hundred forty-two thousand, four hundred eleven".