11403404424 has 32 divisors (see below), whose sum is σ = 31676124000. Its totient is φ = 3801134736.

The previous prime is 11403404423. The next prime is 11403404437. The reversal of 11403404424 is 42440430411.

It is a super-3 number, since 3×11403404424³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11403404423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26396554 + ... + 26396985.

It is an arithmetic number, because the mean of its divisors is an integer number (989878875).

Almost surely, 2^11403404424 is an apocalyptic number.

It is an amenable number.

11403404424 is an abundant number, since it is smaller than the sum of its proper divisors (20272719576).

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

11403404424 is a wasteful number, since it uses less digits than its factorization.

11403404424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52793554 (or 52793544 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 11403404424 its reverse (42440430411), we get a palindrome (53843834835).

The spelling of 11403404424 in words is "eleven billion, four hundred three million, four hundred four thousand, four hundred twenty-four".