13025403540 has 72 divisors (see below), whose sum is σ = 39519960480. Its totient is φ = 3472599744.

The previous prime is 13025403533. The next prime is 13025403551. The reversal of 13025403540 is 4530452031.

13025403540 is a `hidden beast` number, since 1 + 302 + 5 + 4 + 0 + 354 + 0 = 666.

It is a super-2 number, since 2×13025403540² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 1193187 + ... + 1204053.

It is an arithmetic number, because the mean of its divisors is an integer number (548888340).

Almost surely, 2^13025403540 is an apocalyptic number.

13025403540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13025403540 is an abundant number, since it is smaller than the sum of its proper divisors (26494556940).

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

13025403540 is a wasteful number, since it uses less digits than its factorization.

13025403540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17541 (or 17536 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 13025403540 its reverse (4530452031), we get a palindrome (17555855571).

The spelling of 13025403540 in words is "thirteen billion, twenty-five million, four hundred three thousand, five hundred forty".