11394404424 has 384 divisors, whose sum is σ = 37031904000. Its totient is φ = 3131301888.

The previous prime is 11394404389. The next prime is 11394404431. The reversal of 11394404424 is 42440449311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 36403692 + ... + 36404004.

It is an arithmetic number, because the mean of its divisors is an integer number (96437250).

Almost surely, 2^11394404424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11394404424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18515952000).

11394404424 is an abundant number, since it is smaller than the sum of its proper divisors (25637499576).

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

11394404424 is a wasteful number, since it uses less digits than its factorization.

11394404424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 11394404424 in words is "eleven billion, three hundred ninety-four million, four hundred four thousand, four hundred twenty-four".