740440766771 has 2 divisors, whose sum is σ = 740440766772. Its totient is φ = 740440766770.

The previous prime is 740440766743. The next prime is 740440766783. The reversal of 740440766771 is 177667044047.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-740440766771 is a prime.

It is not a weakly prime, because it can be changed into another prime (740440766071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370220383385 + 370220383386.

It is an arithmetic number, because the mean of its divisors is an integer number (370220383386).

Almost surely, 2^740440766771 is an apocalyptic number.

740440766771 is a deficient number, since it is larger than the sum of its proper divisors (1).

740440766771 is an equidigital number, since it uses as much as digits as its factorization.

740440766771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5531904, while the sum is 53.

The spelling of 740440766771 in words is "seven hundred forty billion, four hundred forty million, seven hundred sixty-six thousand, seven hundred seventy-one".