13453525340 has 24 divisors (see below), whose sum is σ = 28853520192. Its totient is φ = 5266911680.

The previous prime is 13453525313. The next prime is 13453525363. The reversal of 13453525340 is 4352535431.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13453525340.

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, 7155191 + ... + 7157070.

It is an arithmetic number, because the mean of its divisors is an integer number (1202230008).

Almost surely, 2^13453525340 is an apocalyptic number.

13453525340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13453525340 is an abundant number, since it is smaller than the sum of its proper divisors (15399994852).

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

13453525340 is a wasteful number, since it uses less digits than its factorization.

13453525340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14312317 (or 14312315 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

The spelling of 13453525340 in words is "thirteen billion, four hundred fifty-three million, five hundred twenty-five thousand, three hundred forty".