11442434420 has 12 divisors (see below), whose sum is σ = 24029112324. Its totient is φ = 4576973760.

The previous prime is 11442434413. The next prime is 11442434449. The reversal of 11442434420 is 2443424411.

It can be written as a sum of positive squares in 2 ways, for example, as 1777971556 + 9664462864 = 42166^2 + 98308^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286060841 + ... + 286060880.

It is an arithmetic number, because the mean of its divisors is an integer number (2002426027).

Almost surely, 2^11442434420 is an apocalyptic number.

11442434420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11442434420 is an abundant number, since it is smaller than the sum of its proper divisors (12586677904).

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

11442434420 is a wasteful number, since it uses less digits than its factorization.

11442434420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572121730 (or 572121728 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 11442434420 its reverse (2443424411), we get a palindrome (13885858831).

The spelling of 11442434420 in words is "eleven billion, four hundred forty-two million, four hundred thirty-four thousand, four hundred twenty".