13405422244040 has 96 divisors (see below), whose sum is σ = 32161417114680. Its totient is φ = 5027578343424.

The previous prime is 13405422244037. The next prime is 13405422244051. The reversal of 13405422244040 is 4044222450431.

It can be written as a sum of positive squares in 4 ways, for example, as 7083486436324 + 6321935807716 = 2661482^2 + 2514346^2 .

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, 3384647 + ... + 6186006.

Almost surely, 2^{13405422244040} is an apocalyptic number.

13405422244040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13405422244040 is an abundant number, since it is smaller than the sum of its proper divisors (18755994870640).

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

13405422244040 is a wasteful number, since it uses less digits than its factorization.

13405422244040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9570799 (or 9570776 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 35.

Adding to 13405422244040 its reverse (4044222450431), we get a palindrome (17449644694471).

The spelling of 13405422244040 in words is "thirteen trillion, four hundred five billion, four hundred twenty-two million, two hundred forty-four thousand, forty".