40911929 has 2 divisors, whose sum is σ = 40911930. Its totient is φ = 40911928.

The previous prime is 40911881. The next prime is 40911943. The reversal of 40911929 is 92911904.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40005625 + 906304 = 6325^2 + 952^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40911929 is a prime.

It is a Chen prime.

It is equal to p_2485745 and since 40911929 and 2485745 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (40911229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20455964 + 20455965.

It is an arithmetic number, because the mean of its divisors is an integer number (20455965).

Almost surely, 2^40911929 is an apocalyptic number.

It is an amenable number.

40911929 is a deficient number, since it is larger than the sum of its proper divisors (1).

40911929 is an equidigital number, since it uses as much as digits as its factorization.

40911929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 40911929 is about 6396.2433505926. The cubic root of 40911929 is about 344.5746462753.

The spelling of 40911929 in words is "forty million, nine hundred eleven thousand, nine hundred twenty-nine".