4022040240389 has 2 divisors, whose sum is σ = 4022040240390. Its totient is φ = 4022040240388.

The previous prime is 4022040240313. The next prime is 4022040240457. The reversal of 4022040240389 is 9830420402204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3933022744225 + 89017496164 = 1983185^2 + 298358^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4022040240389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4022040245389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2011020120194 + 2011020120195.

It is an arithmetic number, because the mean of its divisors is an integer number (2011020120195).

Almost surely, 2^{4022040240389} is an apocalyptic number.

It is an amenable number.

4022040240389 is a deficient number, since it is larger than the sum of its proper divisors (1).

4022040240389 is an equidigital number, since it uses as much as digits as its factorization.

4022040240389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 38.

The spelling of 4022040240389 in words is "four trillion, twenty-two billion, forty million, two hundred forty thousand, three hundred eighty-nine".