2440280477 has 2 divisors, whose sum is σ = 2440280478. Its totient is φ = 2440280476.

The previous prime is 2440280459. The next prime is 2440280497. The reversal of 2440280477 is 7740820442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1847796196 + 592484281 = 42986^2 + 24341^2 .

It is a cyclic number.

It is not a de Polignac number, because 2440280477 - 2⁸ = 2440280221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2440280477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2440280497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1220140238 + 1220140239.

It is an arithmetic number, because the mean of its divisors is an integer number (1220140239).

Almost surely, 2^2440280477 is an apocalyptic number.

It is an amenable number.

2440280477 is a deficient number, since it is larger than the sum of its proper divisors (1).

2440280477 is an equidigital number, since it uses as much as digits as its factorization.

2440280477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100352, while the sum is 38.

The square root of 2440280477 is about 49399.1951047788. The cubic root of 2440280477 is about 1346.3146816072.

The spelling of 2440280477 in words is "two billion, four hundred forty million, two hundred eighty thousand, four hundred seventy-seven".