13442431040 has 28 divisors (see below), whose sum is σ = 32009789676. Its totient is φ = 5376972288.

The previous prime is 13442431027. The next prime is 13442431081. The reversal of 13442431040 is 4013424431.

It can be written as a sum of positive squares in 2 ways, for example, as 7113910336 + 6328520704 = 84344^2 + 79552^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21003479 + ... + 21004118.

Almost surely, 2^13442431040 is an apocalyptic number.

13442431040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13442431040 is an abundant number, since it is smaller than the sum of its proper divisors (18567358636).

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

13442431040 is an equidigital number, since it uses as much as digits as its factorization.

13442431040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42007614 (or 42007604 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 13442431040 its reverse (4013424431), we get a palindrome (17455855471).

The spelling of 13442431040 in words is "thirteen billion, four hundred forty-two million, four hundred thirty-one thousand, forty".