11440334399 has 32 divisors (see below), whose sum is σ = 13420572480. Its totient is φ = 9653962752.

The previous prime is 11440334377. The next prime is 11440334419. The reversal of 11440334399 is 99343304411.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11440334399 - 2¹⁶ = 11440268863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11440334309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8331677 + ... + 8333049.

It is an arithmetic number, because the mean of its divisors is an integer number (419392890).

Almost surely, 2^11440334399 is an apocalyptic number.

11440334399 is a deficient number, since it is larger than the sum of its proper divisors (1980238081).

11440334399 is a wasteful number, since it uses less digits than its factorization.

11440334399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459.

The product of its (nonzero) digits is 139968, while the sum is 41.

The spelling of 11440334399 in words is "eleven billion, four hundred forty million, three hundred thirty-four thousand, three hundred ninety-nine".