1440104977 has 2 divisors, whose sum is σ = 1440104978. Its totient is φ = 1440104976.

The previous prime is 1440104947. The next prime is 1440104993. The reversal of 1440104977 is 7794010441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 734193216 + 705911761 = 27096^2 + 26569^2 .

It is a cyclic number.

It is not a de Polignac number, because 1440104977 - 2¹⁵ = 1440072209 is a prime.

It is not a weakly prime, because it can be changed into another prime (1440104947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720052488 + 720052489.

It is an arithmetic number, because the mean of its divisors is an integer number (720052489).

Almost surely, 2^1440104977 is an apocalyptic number.

It is an amenable number.

1440104977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440104977 is an equidigital number, since it uses as much as digits as its factorization.

1440104977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 1440104977 is about 37948.7150902372. The cubic root of 1440104977 is about 1129.2706748624.

The spelling of 1440104977 in words is "one billion, four hundred forty million, one hundred four thousand, nine hundred seventy-seven".