13425432111440 has 40 divisors (see below), whose sum is σ = 31231997259360. Its totient is φ = 5367098848896.

The previous prime is 13425432111419. The next prime is 13425432111473. The reversal of 13425432111440 is 4411123452431.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 13425432111440.

It is a congruent number.

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, 47890550 + ... + 48170069.

It is an arithmetic number, because the mean of its divisors is an integer number (780799931484).

Almost surely, 2^{13425432111440} is an apocalyptic number.

13425432111440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13425432111440 is an abundant number, since it is smaller than the sum of its proper divisors (17806565147920).

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

13425432111440 is a wasteful number, since it uses less digits than its factorization.

13425432111440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96062379 (or 96062373 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 13425432111440 its reverse (4411123452431), we get a palindrome (17836555563871).

The spelling of 13425432111440 in words is "thirteen trillion, four hundred twenty-five billion, four hundred thirty-two million, one hundred eleven thousand, four hundred forty".