240164933489557 has 2 divisors, whose sum is σ = 240164933489558. Its totient is φ = 240164933489556.

The previous prime is 240164933489513. The next prime is 240164933489561. The reversal of 240164933489557 is 755984339461042.

240164933489557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 236111774033041 + 4053159456516 = 15365929^2 + 2013246^2 .

It is a cyclic number.

It is not a de Polignac number, because 240164933489557 - 2²³ = 240164925100949 is a prime.

It is a super-3 number, since 3×240164933489557³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240164939489557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120082466744778 + 120082466744779.

It is an arithmetic number, because the mean of its divisors is an integer number (120082466744779).

It is a 1-persistent number, because it is pandigital, but 2⋅240164933489557 = 480329866979114 is not.

Almost surely, 2^{240164933489557} is an apocalyptic number.

It is an amenable number.

240164933489557 is a deficient number, since it is larger than the sum of its proper divisors (1).

240164933489557 is an equidigital number, since it uses as much as digits as its factorization.

240164933489557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 783820800, while the sum is 70.

The spelling of 240164933489557 in words is "two hundred forty trillion, one hundred sixty-four billion, nine hundred thirty-three million, four hundred eighty-nine thousand, five hundred fifty-seven".