13445422440 has 32 divisors (see below), whose sum is σ = 40336267680. Its totient is φ = 3585445952.

The previous prime is 13445422433. The next prime is 13445422477. The reversal of 13445422440 is 4422454431.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56022474 + ... + 56022713.

It is an arithmetic number, because the mean of its divisors is an integer number (1260508365).

Almost surely, 2^13445422440 is an apocalyptic number.

13445422440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13445422440 is an abundant number, since it is smaller than the sum of its proper divisors (26890845240).

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

13445422440 is a wasteful number, since it uses less digits than its factorization.

13445422440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112045201 (or 112045197 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 13445422440 its reverse (4422454431), we get a palindrome (17867876871).

The spelling of 13445422440 in words is "thirteen billion, four hundred forty-five million, four hundred twenty-two thousand, four hundred forty".