13202234440 has 32 divisors (see below), whose sum is σ = 29708441280. Its totient is φ = 5280286912.

The previous prime is 13202234431. The next prime is 13202234443. The reversal of 13202234440 is 4443220231.

It is a happy number.

It is a super-2 number, since 2×13202234440² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13202234443) 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, 528717 + ... + 553123.

It is an arithmetic number, because the mean of its divisors is an integer number (928388790).

Almost surely, 2^13202234440 is an apocalyptic number.

13202234440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13202234440 is an abundant number, since it is smaller than the sum of its proper divisors (16506206840).

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

13202234440 is a wasteful number, since it uses less digits than its factorization.

13202234440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37941 (or 37937 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 13202234440 its reverse (4443220231), we get a palindrome (17645454671).

The spelling of 13202234440 in words is "thirteen billion, two hundred two million, two hundred thirty-four thousand, four hundred forty".