11419444464 has 40 divisors (see below), whose sum is σ = 29510194560. Its totient is φ = 3805195968.

The previous prime is 11419444411. The next prime is 11419444471. The reversal of 11419444464 is 46444491411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109159 + ... + 186425.

It is an arithmetic number, because the mean of its divisors is an integer number (737754864).

Almost surely, 2^11419444464 is an apocalyptic number.

It is an amenable number.

11419444464 is an abundant number, since it is smaller than the sum of its proper divisors (18090750096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11419444464 is a wasteful number, since it uses less digits than its factorization.

11419444464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80357 (or 80351 counting only the distinct ones).

The product of its digits is 221184, while the sum is 42.

The spelling of 11419444464 in words is "eleven billion, four hundred nineteen million, four hundred forty-four thousand, four hundred sixty-four".