13453402400 has 36 divisors (see below), whose sum is σ = 32843120562. Its totient is φ = 5381360640.

The previous prime is 13453402399. The next prime is 13453402423. The reversal of 13453402400 is 420435431.

It can be written as a sum of positive squares in 3 ways, for example, as 5770529296 + 7682873104 = 75964^2 + 87652^2 .

It is a super-2 number, since 2×13453402400² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13453402400.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8407577 + ... + 8409176.

Almost surely, 2^13453402400 is an apocalyptic number.

13453402400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13453402400 is an abundant number, since it is smaller than the sum of its proper divisors (19389718162).

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

13453402400 is a wasteful number, since it uses less digits than its factorization.

13453402400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16816773 (or 16816760 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 13453402400 its reverse (420435431), we get a palindrome (13873837831).

The spelling of 13453402400 in words is "thirteen billion, four hundred fifty-three million, four hundred two thousand, four hundred".