1440104953 has 6 divisors (see below), whose sum is σ = 1675224186. Its totient is φ = 1234375632.

The previous prime is 1440104947. The next prime is 1440104977. The reversal of 1440104953 is 3594010441.

It can be written as a sum of positive squares in only one way, i.e., 1438912489 + 1192464 = 37933^2 + 1092^2 .

It is not a de Polignac number, because 1440104953 - 2⁵ = 1440104921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1440104993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14694900 + ... + 14694997.

It is an arithmetic number, because the mean of its divisors is an integer number (279204031).

Almost surely, 2^1440104953 is an apocalyptic number.

It is an amenable number.

1440104953 is a deficient number, since it is larger than the sum of its proper divisors (235119233).

1440104953 is an equidigital number, since it uses as much as digits as its factorization.

1440104953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29389911 (or 29389904 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1440104953 is about 37948.7147740210. The cubic root of 1440104953 is about 1129.2706685892.

The spelling of 1440104953 in words is "one billion, four hundred forty million, one hundred four thousand, nine hundred fifty-three".