40620511 has 2 divisors, whose sum is σ = 40620512. Its totient is φ = 40620510.

The previous prime is 40620479. The next prime is 40620523. The reversal of 40620511 is 11502604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40620511 - 2⁵ = 40620479 is a prime.

It is a super-2 number, since 2×40620511² = 3300051827802242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40620551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20310255 + 20310256.

It is an arithmetic number, because the mean of its divisors is an integer number (20310256).

Almost surely, 2^40620511 is an apocalyptic number.

40620511 is a deficient number, since it is larger than the sum of its proper divisors (1).

40620511 is an equidigital number, since it uses as much as digits as its factorization.

40620511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 40620511 is about 6373.4222361303. The cubic root of 40620511 is about 343.7545543859.

The spelling of 40620511 in words is "forty million, six hundred twenty thousand, five hundred eleven".