12435550540 has 96 divisors (see below), whose sum is σ = 31448793600. Its totient is φ = 4035018240.

The previous prime is 12435550531. The next prime is 12435550549. The reversal of 12435550540 is 4505553421.

It is an interprime number because it is at equal distance from previous prime (12435550531) and next prime (12435550549).

It is a junction number, because it is equal to n+sod(n) for n = 12435550496 and 12435550505.

It is not an unprimeable number, because it can be changed into a prime (12435550549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3512091 + ... + 3515629.

It is an arithmetic number, because the mean of its divisors is an integer number (327591600).

Almost surely, 2^12435550540 is an apocalyptic number.

12435550540 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 12435550540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15724396800).

12435550540 is an abundant number, since it is smaller than the sum of its proper divisors (19013243060).

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

12435550540 is a wasteful number, since it uses less digits than its factorization.

12435550540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4895 (or 4893 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 12435550540 in words is "twelve billion, four hundred thirty-five million, five hundred fifty thousand, five hundred forty".