13625690400 has 1728 divisors, whose sum is σ = 65515806720. Its totient is φ = 2687385600.

The previous prime is 13625690399. The next prime is 13625690413. The reversal of 13625690400 is 409652631.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 439538385 + ... + 439538415.

It is an arithmetic number, because the mean of its divisors is an integer number (37914240).

Almost surely, 2^13625690400 is an apocalyptic number.

13625690400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13625690400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32757903360).

13625690400 is an abundant number, since it is smaller than the sum of its proper divisors (51890116320).

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

13625690400 is a wasteful number, since it uses less digits than its factorization.

13625690400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 13625690400 in words is "thirteen billion, six hundred twenty-five million, six hundred ninety thousand, four hundred".