240001550057 has 2 divisors, whose sum is σ = 240001550058. Its totient is φ = 240001550056.

The previous prime is 240001550017. The next prime is 240001550059. The reversal of 240001550057 is 750055100042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135527795881 + 104473754176 = 368141^2 + 323224^2 .

It is a cyclic number.

It is not a de Polignac number, because 240001550057 - 2¹⁶ = 240001484521 is a prime.

Together with 240001550059, 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 (240001550059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120000775028 + 120000775029.

It is an arithmetic number, because the mean of its divisors is an integer number (120000775029).

Almost surely, 2^240001550057 is an apocalyptic number.

It is an amenable number.

240001550057 is a deficient number, since it is larger than the sum of its proper divisors (1).

240001550057 is an equidigital number, since it uses as much as digits as its factorization.

240001550057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7000, while the sum is 29.

Adding to 240001550057 its reverse (750055100042), we get a palindrome (990056650099).

The spelling of 240001550057 in words is "two hundred forty billion, one million, five hundred fifty thousand, fifty-seven".