12400493360 has 80 divisors (see below), whose sum is σ = 29116993536. Its totient is φ = 4911185664.

The previous prime is 12400493341. The next prime is 12400493377. The reversal of 12400493360 is 6339400421.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6938387 + ... + 6940173.

Almost surely, 2^12400493360 is an apocalyptic number.

12400493360 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 12400493360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14558496768).

12400493360 is an abundant number, since it is smaller than the sum of its proper divisors (16716500176).

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

12400493360 is a wasteful number, since it uses less digits than its factorization.

12400493360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2610 (or 2604 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

Adding to 12400493360 its reverse (6339400421), we get a palindrome (18739893781).

The spelling of 12400493360 in words is "twelve billion, four hundred million, four hundred ninety-three thousand, three hundred sixty".