40802911 has 2 divisors, whose sum is σ = 40802912. Its totient is φ = 40802910.

The previous prime is 40802903. The next prime is 40802921. The reversal of 40802911 is 11920804.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40802911 - 2³ = 40802903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40802921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20401455 + 20401456.

It is an arithmetic number, because the mean of its divisors is an integer number (20401456).

Almost surely, 2^40802911 is an apocalyptic number.

40802911 is a deficient number, since it is larger than the sum of its proper divisors (1).

40802911 is an equidigital number, since it uses as much as digits as its factorization.

40802911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 40802911 is about 6387.7156323681. The cubic root of 40802911 is about 344.2683113788.

The spelling of 40802911 in words is "forty million, eight hundred two thousand, nine hundred eleven".