13453253040 has 40 divisors (see below), whose sum is σ = 41705085168. Its totient is φ = 3587534080.

The previous prime is 13453253003. The next prime is 13453253053. The reversal of 13453253040 is 4035235431.

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

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 = 13453252989 and 13453253007.

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, 28027371 + ... + 28027850.

Almost surely, 2^13453253040 is an apocalyptic number.

13453253040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13453253040 is an abundant number, since it is smaller than the sum of its proper divisors (28251832128).

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

13453253040 is a wasteful number, since it uses less digits than its factorization.

13453253040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56055237 (or 56055231 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 13453253040 its reverse (4035235431), we get a palindrome (17488488471).

The spelling of 13453253040 in words is "thirteen billion, four hundred fifty-three million, two hundred fifty-three thousand, forty".