1119440464 has 20 divisors (see below), whose sum is σ = 2188817620. Its totient is φ = 554584320.

The previous prime is 1119440447. The next prime is 1119440467. The reversal of 1119440464 is 4640449111.

It can be written as a sum of positive squares in 2 ways, for example, as 863184400 + 256256064 = 29380^2 + 16008^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1119440467) 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 in 3 ways as a sum of consecutive naturals, for example, 319197 + ... + 322684.

It is an arithmetic number, because the mean of its divisors is an integer number (109440881).

Almost surely, 2^1119440464 is an apocalyptic number.

It is an amenable number.

1119440464 is a deficient number, since it is larger than the sum of its proper divisors (1069377156).

1119440464 is a wasteful number, since it uses less digits than its factorization.

1119440464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641998 (or 641992 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 1119440464 is about 33458.0403490701. The cubic root of 1119440464 is about 1038.3258518378.

Adding to 1119440464 its reverse (4640449111), we get a palindrome (5759889575).

The spelling of 1119440464 in words is "one billion, one hundred nineteen million, four hundred forty thousand, four hundred sixty-four".