13525440435 has 48 divisors (see below), whose sum is σ = 25279581600. Its totient is φ = 6650214912.

The previous prime is 13525440407. The next prime is 13525440479. The reversal of 13525440435 is 53404452531.

13525440435 is a `hidden beast` number, since 135 + 2 + 54 + 40 + 435 = 666.

It is not a de Polignac number, because 13525440435 - 2⁸ = 13525440179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13525440435.

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, 458976 + ... + 487554.

It is an arithmetic number, because the mean of its divisors is an integer number (526657950).

Almost surely, 2^13525440435 is an apocalyptic number.

13525440435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13525440435 is a deficient number, since it is larger than the sum of its proper divisors (11754141165).

13525440435 is a wasteful number, since it uses less digits than its factorization.

13525440435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29412 (or 29409 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 13525440435 its reverse (53404452531), we get a palindrome (66929892966).

The spelling of 13525440435 in words is "thirteen billion, five hundred twenty-five million, four hundred forty thousand, four hundred thirty-five".