13025055540 has 144 divisors (see below), whose sum is σ = 42936409152. Its totient is φ = 2941231104.

The previous prime is 13025055517. The next prime is 13025055557. The reversal of 13025055540 is 4555052031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 13025055498 and 13025055507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 217332 + ... + 270708.

It is an arithmetic number, because the mean of its divisors is an integer number (298169508).

Almost surely, 2^13025055540 is an apocalyptic number.

13025055540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13025055540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21468204576).

13025055540 is an abundant number, since it is smaller than the sum of its proper divisors (29911353612).

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

13025055540 is a wasteful number, since it uses less digits than its factorization.

13025055540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53486 (or 53477 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The spelling of 13025055540 in words is "thirteen billion, twenty-five million, fifty-five thousand, five hundred forty".