12454440000 has 140 divisors (see below), whose sum is σ = 41177681424. Its totient is φ = 3321152000.

The previous prime is 12454439971. The next prime is 12454440049. The reversal of 12454440000 is 4445421.

It is a happy number.

It is a super-2 number, since 2×12454440000² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 68107 + ... + 171893.

Almost surely, 2^12454440000 is an apocalyptic number.

12454440000 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 12454440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20588840712).

12454440000 is an abundant number, since it is smaller than the sum of its proper divisors (28723241424).

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

12454440000 is an equidigital number, since it uses as much as digits as its factorization.

12454440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103822 (or 103797 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 12454440000 its reverse (4445421), we get a palindrome (12458885421).

The spelling of 12454440000 in words is "twelve billion, four hundred fifty-four million, four hundred forty thousand".