240720049 has 2 divisors, whose sum is σ = 240720050. Its totient is φ = 240720048.

The previous prime is 240720037. The next prime is 240720089. The reversal of 240720049 is 940027042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 184769649 + 55950400 = 13593^2 + 7480^2 .

It is a cyclic number.

It is not a de Polignac number, because 240720049 - 2¹⁵ = 240687281 is a prime.

It is a super-2 number, since 2×240720049² = 115892283981124802, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 240719999 and 240720026.

It is not a weakly prime, because it can be changed into another prime (240720019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120360024 + 120360025.

It is an arithmetic number, because the mean of its divisors is an integer number (120360025).

Almost surely, 2^240720049 is an apocalyptic number.

It is an amenable number.

240720049 is a deficient number, since it is larger than the sum of its proper divisors (1).

240720049 is an equidigital number, since it uses as much as digits as its factorization.

240720049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 240720049 is about 15515.1554616768. The cubic root of 240720049 is about 622.0673694876.

The spelling of 240720049 in words is "two hundred forty million, seven hundred twenty thousand, forty-nine".