2440403660987 has 2 divisors, whose sum is σ = 2440403660988. Its totient is φ = 2440403660986.

The previous prime is 2440403660969. The next prime is 2440403661019. The reversal of 2440403660987 is 7890663040442.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2440403660987 - 2⁶ = 2440403660923 is a prime.

It is not a weakly prime, because it can be changed into another prime (2440403660957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1220201830493 + 1220201830494.

It is an arithmetic number, because the mean of its divisors is an integer number (1220201830494).

Almost surely, 2^{2440403660987} is an apocalyptic number.

2440403660987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2440403660987 is an equidigital number, since it uses as much as digits as its factorization.

2440403660987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6967296, while the sum is 53.

The spelling of 2440403660987 in words is "two trillion, four hundred forty billion, four hundred three million, six hundred sixty thousand, nine hundred eighty-seven".