11440032021 has 24 divisors (see below), whose sum is σ = 18608229120. Its totient is φ = 6709694400.

The previous prime is 11440032007. The next prime is 11440032029. The reversal of 11440032021 is 12023004411.

It is not a de Polignac number, because 11440032021 - 2⁵ = 11440031989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11440031985 and 11440032003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11440032029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1860736 + ... + 1866873.

It is an arithmetic number, because the mean of its divisors is an integer number (775342880).

Almost surely, 2^11440032021 is an apocalyptic number.

11440032021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11440032021 is a deficient number, since it is larger than the sum of its proper divisors (7168197099).

11440032021 is a wasteful number, since it uses less digits than its factorization.

11440032021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3727657 (or 3727654 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 11440032021 its reverse (12023004411), we get a palindrome (23463036432).

The spelling of 11440032021 in words is "eleven billion, four hundred forty million, thirty-two thousand, twenty-one".