40627619 has 2 divisors, whose sum is σ = 40627620. Its totient is φ = 40627618.

The previous prime is 40627589. The next prime is 40627621. The reversal of 40627619 is 91672604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40627619 - 2²⁴ = 23850403 is a prime.

It is a super-2 number, since 2×40627619² = 3301206851218322, which contains 22 as substring.

Together with 40627621, 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 (40627649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20313809 + 20313810.

It is an arithmetic number, because the mean of its divisors is an integer number (20313810).

Almost surely, 2^40627619 is an apocalyptic number.

40627619 is a deficient number, since it is larger than the sum of its proper divisors (1).

40627619 is an equidigital number, since it uses as much as digits as its factorization.

40627619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 40627619 is about 6373.9798399430. The cubic root of 40627619 is about 343.7746039028.

The spelling of 40627619 in words is "forty million, six hundred twenty-seven thousand, six hundred nineteen".