40020101027 has 2 divisors, whose sum is σ = 40020101028. Its totient is φ = 40020101026.

The previous prime is 40020100999. The next prime is 40020101029. The reversal of 40020101027 is 72010102004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40020101027 - 2¹⁶ = 40020035491 is a prime.

It is a super-2 number, since 2×40020101027² (a number of 22 digits) contains 22 as substring.

Together with 40020101029, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 40020100996 and 40020101014.

It is not a weakly prime, because it can be changed into another prime (40020101029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20010050513 + 20010050514.

It is an arithmetic number, because the mean of its divisors is an integer number (20010050514).

Almost surely, 2^40020101027 is an apocalyptic number.

40020101027 is a deficient number, since it is larger than the sum of its proper divisors (1).

40020101027 is an equidigital number, since it uses as much as digits as its factorization.

40020101027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 17.

The spelling of 40020101027 in words is "forty billion, twenty million, one hundred one thousand, twenty-seven".