40820107 has 2 divisors, whose sum is σ = 40820108. Its totient is φ = 40820106.

The previous prime is 40820093. The next prime is 40820119. The reversal of 40820107 is 70102804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40820107 - 2⁷ = 40819979 is a prime.

It is a super-2 number, since 2×40820107² = 3332562270982898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40820177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20410053 + 20410054.

It is an arithmetic number, because the mean of its divisors is an integer number (20410054).

Almost surely, 2^40820107 is an apocalyptic number.

40820107 is a deficient number, since it is larger than the sum of its proper divisors (1).

40820107 is an equidigital number, since it uses as much as digits as its factorization.

40820107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 40820107 is about 6389.0615116776. The cubic root of 40820107 is about 344.3166674584.

The spelling of 40820107 in words is "forty million, eight hundred twenty thousand, one hundred seven".