11404021432 has 16 divisors (see below), whose sum is σ = 21439871640. Its totient is φ = 5686722336.

The previous prime is 11404021399. The next prime is 11404021439. The reversal of 11404021432 is 23412040411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11404021439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1907878 + ... + 1913845.

Almost surely, 2^11404021432 is an apocalyptic number.

It is an amenable number.

11404021432 is a deficient number, since it is larger than the sum of its proper divisors (10035850208).

11404021432 is a wasteful number, since it uses less digits than its factorization.

11404021432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3822102 (or 3822098 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 11404021432 its reverse (23412040411), we get a palindrome (34816061843).

The spelling of 11404021432 in words is "eleven billion, four hundred four million, twenty-one thousand, four hundred thirty-two".