244140010057 has 2 divisors, whose sum is σ = 244140010058. Its totient is φ = 244140010056.

The previous prime is 244140010001. The next prime is 244140010091. The reversal of 244140010057 is 750010041442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195678830736 + 48461179321 = 442356^2 + 220139^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244140010057 is a prime.

It is a super-2 number, since 2×244140010057² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (244140010157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122070005028 + 122070005029.

It is an arithmetic number, because the mean of its divisors is an integer number (122070005029).

Almost surely, 2^244140010057 is an apocalyptic number.

It is an amenable number.

244140010057 is a deficient number, since it is larger than the sum of its proper divisors (1).

244140010057 is an equidigital number, since it uses as much as digits as its factorization.

244140010057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 28.

Adding to 244140010057 its reverse (750010041442), we get a palindrome (994150051499).

The spelling of 244140010057 in words is "two hundred forty-four billion, one hundred forty million, ten thousand, fifty-seven".