4244230440157 has 2 divisors, whose sum is σ = 4244230440158. Its totient is φ = 4244230440156.

The previous prime is 4244230440137. The next prime is 4244230440217. The reversal of 4244230440157 is 7510440324424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2630400666201 + 1613829773956 = 1621851^2 + 1270366^2 .

It is a cyclic number.

It is not a de Polignac number, because 4244230440157 - 2²³ = 4244222051549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4244230440137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2122115220078 + 2122115220079.

It is an arithmetic number, because the mean of its divisors is an integer number (2122115220079).

Almost surely, 2^{4244230440157} is an apocalyptic number.

It is an amenable number.

4244230440157 is a deficient number, since it is larger than the sum of its proper divisors (1).

4244230440157 is an equidigital number, since it uses as much as digits as its factorization.

4244230440157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 430080, while the sum is 40.

The spelling of 4244230440157 in words is "four trillion, two hundred forty-four billion, two hundred thirty million, four hundred forty thousand, one hundred fifty-seven".