40829101 has 2 divisors, whose sum is σ = 40829102. Its totient is φ = 40829100.

The previous prime is 40829099. The next prime is 40829177. The reversal of 40829101 is 10192804.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34503876 + 6325225 = 5874^2 + 2515^2 .

It is a cyclic number.

It is not a de Polignac number, because 40829101 - 2¹ = 40829099 is a prime.

Together with 40829099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40829401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20414550 + 20414551.

It is an arithmetic number, because the mean of its divisors is an integer number (20414551).

Almost surely, 2^40829101 is an apocalyptic number.

It is an amenable number.

40829101 is a deficient number, since it is larger than the sum of its proper divisors (1).

40829101 is an equidigital number, since it uses as much as digits as its factorization.

40829101 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 40829101 is about 6389.7653321542. The cubic root of 40829101 is about 344.3419536627.

The spelling of 40829101 in words is "forty million, eight hundred twenty-nine thousand, one hundred one".