40902929 has 2 divisors, whose sum is σ = 40902930. Its totient is φ = 40902928.

The previous prime is 40902907. The next prime is 40902931. The reversal of 40902929 is 92920904.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40347904 + 555025 = 6352^2 + 745^2 .

It is a cyclic number.

It is not a de Polignac number, because 40902929 - 2¹² = 40898833 is a prime.

Together with 40902931, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40902959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20451464 + 20451465.

It is an arithmetic number, because the mean of its divisors is an integer number (20451465).

Almost surely, 2^40902929 is an apocalyptic number.

It is an amenable number.

40902929 is a deficient number, since it is larger than the sum of its proper divisors (1).

40902929 is an equidigital number, since it uses as much as digits as its factorization.

40902929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 40902929 is about 6395.5397739362. The cubic root of 40902929 is about 344.5493773678.

The spelling of 40902929 in words is "forty million, nine hundred two thousand, nine hundred twenty-nine".