11440289764 has 6 divisors (see below), whose sum is σ = 20020507094. Its totient is φ = 5720144880.

The previous prime is 11440289759. The next prime is 11440289767. The reversal of 11440289764 is 46798204411.

It can be written as a sum of positive squares in only one way, i.e., 5767187364 + 5673102400 = 75942^2 + 75320^2 .

It is not an unprimeable number, because it can be changed into a prime (11440289767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1430036217 + ... + 1430036224.

Almost surely, 2^11440289764 is an apocalyptic number.

It is an amenable number.

11440289764 is a deficient number, since it is larger than the sum of its proper divisors (8580217330).

11440289764 is a wasteful number, since it uses less digits than its factorization.

11440289764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860072445 (or 2860072443 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 11440289764 in words is "eleven billion, four hundred forty million, two hundred eighty-nine thousand, seven hundred sixty-four".