11330040420 has 72 divisors (see below), whose sum is σ = 34411346424. Its totient is φ = 3017515008.

The previous prime is 11330040401. The next prime is 11330040431. The reversal of 11330040420 is 2404003311.

It can be written as a sum of positive squares in 4 ways, for example, as 4620464676 + 6709575744 = 67974^2 + 81912^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11330040393 and 11330040402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103972 + ... + 182948.

It is an arithmetic number, because the mean of its divisors is an integer number (477935367).

Almost surely, 2^11330040420 is an apocalyptic number.

11330040420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11330040420 is an abundant number, since it is smaller than the sum of its proper divisors (23081306004).

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

11330040420 is a wasteful number, since it uses less digits than its factorization.

11330040420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79789 (or 79784 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 11330040420 its reverse (2404003311), we get a palindrome (13734043731).

The spelling of 11330040420 in words is "eleven billion, three hundred thirty million, forty thousand, four hundred twenty".