240054520475977 has 2 divisors, whose sum is σ = 240054520475978. Its totient is φ = 240054520475976.

The previous prime is 240054520475899. The next prime is 240054520476083. The reversal of 240054520475977 is 779574025450042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216448711142416 + 23605809333561 = 14712196^2 + 4858581^2 .

It is a cyclic number.

It is not a de Polignac number, because 240054520475977 - 2¹⁵ = 240054520443209 is a prime.

It is not a weakly prime, because it can be changed into another prime (240054520475177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120027260237988 + 120027260237989.

It is an arithmetic number, because the mean of its divisors is an integer number (120027260237989).

Almost surely, 2^{240054520475977} is an apocalyptic number.

It is an amenable number.

240054520475977 is a deficient number, since it is larger than the sum of its proper divisors (1).

240054520475977 is an equidigital number, since it uses as much as digits as its factorization.

240054520475977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98784000, while the sum is 61.

The spelling of 240054520475977 in words is "two hundred forty trillion, fifty-four billion, five hundred twenty million, four hundred seventy-five thousand, nine hundred seventy-seven".